Metal Detecting Slang Glossary
Every hobby has its own language, and metal detecting has more than most. Spend ten minutes on a detecting forum or stand next to an old hand in a muddy field and you’ll hear a stream of words that mean absolutely nothing to the uninitiated. People talk about digging a BOAT, getting skunked, chasing a screamer, or lobbing some hedge fodder over the fence. This is our "just for fun" glossary of that lingo, the daft, the affectionate, and the gently self-mocking words detectorists actually use. UK and US terms are both here, marked where it matters. None of it is official. All of it is real.
A
Archie / Arkie
Affectionate (and occasionally not-so-affectionate) shorthand for an archaeologist. Relations between detectorists and Archies range from warm collaboration to mutual eye-rolling, depending who you ask.
B
BOAT (Bit Off A Tractor)
The classic. A big lump of rusty farm metal that, for one glorious second over the coil, you were convinced was the find of a lifetime. It wasn’t. It was a bit off a tractor. A staple of every ploughed UK field.
Bling
Any flashy bit of jewellery you pull from the ground, whether or not it turns out to be precious metal. "Here’s my bling for the day" usually accompanies a hopeful photo of something that’s probably costume.
Bottlecap Magnet
A detector (or detectorist) that just cannot stop digging bottle caps, because their rusty steel reads tantalisingly like a silver coin. A term used with deep bitterness.
Bucket Lister
The once-in-a-lifetime find. The hammered gold, the Bronze Age hoard, the thing you’d happily put on your bucket list and retire from the hobby having found.
C
Can-Slaw (Canslaw)
A drinks can that’s been put through a lawnmower and shredded into a hundred razor-sharp aluminium ribbons, each one giving its own cheerful signal. The natural enemy of anyone detecting a mown park.
Chatter
The restless static-y mutter a detector makes when it’s badly tuned, run too hot, or sitting in electrical interference. Experienced hunters often run with a bit of chatter on purpose to squeeze out depth.
Choppy
A broken, stop-start signal from a target that’s almost, but not quite, discriminated out. "It was choppy, but the site’s so old I dug it anyway."
Clad Magnet
What you call yourself after a long, hopeful hunt that produced nothing but modern shrapnel and pocket change. "Three hours and all clad. I’m a proper clad magnet today."
Coinball
The little ball of compacted soil that comes out of the hole with a coin hidden inside it. That last, delicious moment of suspense before you crumble it open and find out what you’ve got.
Coinspill / Pocketspill
A scatter of coins all lost together, usually where someone once sat down on the grass and their pocket betrayed them. Find one and it’s always worth a careful regrid.
Crusty
A find in rough shape after a long spell underground. "Lovely large cent, shame it’s a bit crusty."
D
Dials and Smiles
The detectorist who loves their machine more than the finds, forever tweaking, tuning, and grinning at an old, obscure, fiddly detector that nobody else can work.
Digger
Does double duty: the tool you dig with, and the person doing the digging. "Morning, diggers!" is a standard forum greeting.
Dirt Fishing
Metal detecting, as opposed to fishing for fish. Land hunting, basically. A gently jokey way of describing the hobby to non-detectorists.
Door-Knocking / Freestyling
The art of driving or wandering from farm to farm, knocking on doors and politely asking for permission, with no real plan beyond optimism and good manners.
F
Fattie
A noticeably thick early Indian Head or Flying Eagle cent (US). Pleasingly chunky compared to the thinner later pennies.
Flag and Bag
Pop the find in a bag, plant a little flag where it came out. Usually part of a proper archaeological survey rather than a casual hunt.
Friends
More good targets hiding in the same hole. The cry of "it’s got friends!" goes up when you recheck a hole and the pinpointer sings again.
G
Gawker
The passer-by who plants themselves a few feet away and watches your every swing, usually asking "found any gold yet?" within thirty seconds.
GL / HH
Forum shorthand for "Good Luck" and "Happy Hunting", almost always signed off together as "GL/HH" at the end of a post.
Grand Slam
A rare and beautiful thing: four of the same coin from four different eras, all in a single hunt. Pulling a Seated, Barber, Mercury, and Roosevelt dime in one outing is the dime-hunter’s dream.
Greenie
A copper or bronze coin wearing a lovely even green patina. Always a pleasing sight in the bottom of the hole.
Gridding
Walking a site in a disciplined pattern, straight lines or circles, so you actually cover the ground instead of wandering about in hopeful loops.
Growl / Grunt
The low, grumpy noise a detector makes over iron when you haven’t discriminated it out. The sound of "don’t bother."
H
Hammy
A hammered coin (UK), one of those hand-struck medieval or earlier silvers that detectorists dream about. The most coveted "hammy" of all is a hammered gold.
Heartbreaker
A genuinely lovely coin or artefact that’s been ruined by something, a plough scar, a spade nick, a chunk missing. So close to perfect, so painful.
Heartstopper
The object that looks absolutely incredible the instant you see it in the hole and then turns out to be a gold-coloured ring pull or an amusement-park token. The detecting equivalent of a jump-scare.
Hedge Fodder
A rubbish find so disappointing it gets lobbed into the nearest hedge in disgust. The polite cousin of language not suitable for a family website.
Honey Hole
A magical spot that keeps producing good finds hunt after hunt. Its location is guarded like the crown jewels and never, ever posted online.
Hot Rock
A naturally mineralised stone that fools the detector into screaming "metal!" Dig it, sigh, move on, repeat.
Hunted Out
A site that’s been swung over so many times the regulars swear there’s nothing left. Of course, there always is.
I
Iffy Signal
A wishy-washy, hard-to-read signal that just might be something good. The eternal detectorist’s dilemma: dig it or walk away? (You dig it.)
J
Joke Tags
Little engraved metal plates, often made from crawfish-trap tags, that mischievous detectorists bury for the next person to find. A long-running practical joke played across the hobby.
M
Magnet Fishing
Hauling ferrous objects out of canals and rivers with a powerful magnet on a rope. A popular side-hobby for detectorists who can’t switch off the urge to find buried metal.
MDing / TH'ing
Forum abbreviations for "Metal Detecting" and "Treasure Hunting". "Anyone MDing this weekend?"
N
Nighthawk
The villain of the piece: someone who detects illegally, usually at night, on land they have no permission to be on, often a protected site. Universally despised by responsible detectorists.
Nulling
That sudden drop into silence when the detector’s threshold cuts out, usually because there’s a great slab of iron under the coil swallowing everything.
O
On Edge
A coin sitting vertically in the soil rather than lying flat, which makes it sneaky and hard to detect. Many a good coin has been missed because it was standing on edge.
One-Way Signal
A target that sings when you sweep one direction and goes quiet the other way. Often a sign of junk, but not reliably enough to ignore.
Overload
When there’s simply too much metal under the coil for the machine to cope and it throws up its hands. "I overloaded on a paint-can lid."
P
Peep / Whisper
The faintest little tone right at the edge of hearing, usually a deep or tiny target. It takes an experienced ear to chase a peep and a lot of faith to dig one.
Permission
The gold standard of the hobby: a piece of land you actually have permission to detect on. "I went to one of my old permissions today" is a quietly proud thing to say.
Plug
The neat hinged flap of turf you cut and fold back to reach a target, then drop back in so the ground looks untouched. Cutting a clean plug is a badge of honour.
Pounded
A site that’s been detected to within an inch of its life. "Don’t bother, that field’s been absolutely pounded."
R
Rang Up
How a target presented itself on the meter or in the tones. "It rang up as a dime" — right up until it turned out to be a button.
Roundness
The magic word. The moment a circular edge of a coin or button appears in the side of the hole. "I flipped the plug and saw roundness."
RUBAR
"Rusted Beyond All Recognition." Applied to any iron find so far gone that not even its own mother could identify it.
S
Screamer
A big, loud, confident signal that practically leaps out of the headphones. Often, though not always, the herald of a proper silver or a chunky artefact.
Shotty
The brass or steel cap off a shotgun cartridge, one of the most common finds in any UK field or wood. You will dig thousands.
Skunked
To come home with nothing worth keeping. "Three hours, got skunked." A universal experience, no matter how good you are.
Smoothie
A coin so worn by age and soil that every last detail has vanished, leaving a smooth, anonymous disc and a faint sense of "what might you have been?"
Square Nail
An old hand-forged nail with a square shank. Boring in itself, but a brilliant clue that there was once an old building nearby.
Squeaker
A high, brief squeak of a signal, often a coin sitting on edge. (In the US it also nicknames a 1964 silver coin, the last of the good stuff.)
Stingy Site
A location that just won’t give anything up, no matter how promising it looked. "Lovely old field, but a stingy site."
T
Tear-Outs
When pavements or car parks get ripped up for repairs, exposing long-buried ground. To a detectorist, a tear-out is an opportunity dressed as roadworks.
Test Garden
A patch, often in your own back garden, where you’ve buried coins and objects at known depths to practise with and test your machine. The detectorist’s laboratory.
Thunk
The "door-slamming" sound a multi-tone machine makes when a good target is being masked by nearby iron, or sometimes when a coin is very deep. Learning to chase the thunk wins finds.
Toasty / Toasted
A coin badly corroded by its long stay in the ground. "That Indian’s proper toasty."
Tones Machine
A detector you have to read by ear rather than by screen, classifying targets purely from their sound. A point of pride among those who’ve mastered one.
Tot-Lot
The children’s play area of a park, all bark chips and rubber matting, where dropped jewellery and coins sit just below the surface. A reliable producer of modern bling.
Tot-Lot Tour
Hopping from park to park hitting each children’s play area in turn for lost valuables. Said to be especially rewarding on a Monday morning after a busy weekend.
Trifecta
Three coins of the same denomination but different eras, all found in one hunt. A dimes trifecta: a Barber, a Mercury, and a Roosevelt in a single day.
V
Vehicle
The faintly self-mocking word a detectorist uses for "car" when they’re slightly ashamed it isn’t a rugged 4×4 with mud-spattered tyres.
Virgin Site
A piece of ground that has never, ever been detected. The hobby’s holy grail, and rarer than people like to claim.
W
Whatzit
An unidentified object of pure curiosity. Not junk, not obviously anything, just a "whatzit" destined to live in a drawer until someone on a forum recognises it.
Wheatie
A US wheat-back Lincoln cent (1909–1958), named for the ears of wheat on the reverse. A friendly, common keeper.
Wrap Up
Laying out the day’s finds for the obligatory end-of-hunt photograph. The grand finale of every detecting video ever made.
Z
Zincoln
A post-1982 US Lincoln cent made mostly of zinc, notorious for corroding into a horrible crusty mess. Nobody’s favourite find.
More terms will be added as the site grows. If there is a term you have heard on a club dig or read in a forum that is not here, use the contact form to suggest it.