Did you by any chance mean goethite?
Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Chiefly British Slang A person regarded as mean or contemptible.
Wiktionary
- n. Ireland, UK, slang One who engages in nonsensical chatter or unwanted conversation.
- n. Ireland, UK, slang A person of very poor judgment and unpleasant character.
Etymologies
- gob + shite (i.e. mouth + excrement) (Wiktionary)
- Perhaps ultimately from obsolete gobshite, wad of expectorated chewing tobacco or tobacco juice : gob2 + dialectal shite, excrement (from Middle English shiten, to defecate, from Old English *scītan). (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“If the word gobshite did not exist it would have to be invented to describe whoever wrote that standfirst.”
“If some gobshite is acting the arsehole, go and get security!”
“Gob is variously explained as a derivative from the Chinese (?) word gobshite, and as the old word gob, signifying a large, irregular mass, applied to a new use.”
“O'Leary's quips and publicity stunts include calling the prime minister of Ireland a "gobshite" and threatening to charge passengers for using the toilet, but analysts have praised Ryanair for adhering to a simple, cost-driven business model.”
The Guardian: Ryanair must move away from low fares, says O'Leary
“Hey RaeK, get a life ya gobshite. wtf is a "gobshite"?”
“And secondly, democracy gives every "gobshite" with a grass roots support political and representative legitimacy.”
“So Lip is no longer "a bit of a gobshite", he's "smart as a whip" (I think the Lip/lippy thing may have been lost in translation); he doesn't get "noshed" by Karen under her kitchen table, he gets a "hummer" (I think – is that after the big car?)”
“Some gobshite off his face on coke, and too thick to read the papers, sees some fella cutting up rough with his girlfriend and calls in the guards.”
“Trust us we HATE the snivelling little gobshite. toco”
“Here, in When Moyles Met the Radio 1 Breakfast DJs (BBC2, Sunday), the morning gobshite, a rude awakening in human form, is going to see his predecessors in Britain's most prestigious radio slot.”
Lists
These user-created lists contain the word ‘gobshite’.
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Nycanthro's list
I like words. Have kept running lists for years now. If I'd been born wealthy I'd be a linguist. Or maybe a semi-reclusive yet world-weary linguist-humanitarian-hiphop-icon known for his humility a...
oaktag, backstory, homonormative, gobshite, imagineer, comeuppance, tomfoolery, ersatz, widdershins, gigajoule, oneupmanship, conniption and 40 more...
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Twitter favourites
The new favourite words of people on Twitter.
A script searches Twitter for "X is my new favourite word" and adds it to this list.
See also:
thunderfuck, incredible, merp, sara, flopparoo, smother, fugly, buer, plum, canny, nefelibata, cuntbucket and 1972 more... -
minneapolitan's Words
hissyfit, fussbudget, aghast, lament, trichinellosis, tranche, decadent, aspersion, pejorative, aniline, galoshes, accede and 200 more...
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Appellations
States of ment.
off kilter, fervent, nonchalant, exuberant, turbid, verbose, eloquent, vicarious, gallivant, orotund, amalgamate, accentuate and 285 more...
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colleen's words ii
sibilant, sundry, spindle, distaff, device, mortar, pestle, scythe, flail, thresh, frown, elementary and 495 more...
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dickcherry's drivel
the words i'm thinking with
doing, boing, going, tincture, pingback, womenswear, jounce, wrack, a, ish, beeswax, thither and 97 more...
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Tawkward
Verbal 'wtf' exchanges; odd moments of conversation and socializing.
somniloquy, bafflegab, syllepsis, sesquipedalian, whinge, divulge, anacoluthon, anaphora, sumpsimus, persiflage, eristic, overtones and 198 more...
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fearraigh's Words
heretofore, seldom, cunt, calamity, overhead, phalanx, flunky, factotum, terrestrial, dormant, afflatus, periphery and 156 more...
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miscellanea
antimacassar, snootful, sessile, glagolitic, marrowsky, farrago, keel, calumny, rheum, talisman, tally, awry and 508 more...
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silly, silly words
besnotted, skedaddle, humdinger, pamplemousse, pantalones, underpants gnomes, underoos, herpes zoster, possums, meat slurry, sausage, peevish and 256 more...
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Derogative words
This list include words to insult people in an argument. Does not include words that are profanity.
moron, imbecile, harlot, schlump, nincompoop, simpleton, ignoramous, idiot, dolt, blockhead, dunderhead, numbskull and 32 more...
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slang
himbo, grade digger, gaffle, gobshite, codswallup, schmooze, crummy, noggin, dweeb, klutz, wig out, swag
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Awaydays (2009)
Words from a 2009 'Awaydays' film.
catch up, beaut, swill, ponce, buck, bevvy, la, divvy, baddie, noose, deffo, mooch around and 36 more...
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69 Across
From the February 2010 Harper's, which says, "From a 'blacklist' file included with the latest edition of Crossword Compiler, a British computer program for designing various word puzzles. The file...
zooerastia, whoremasterly, wee-wee, trollop, tribadistic, stiffy, spermary, smooching, shtup, sexy, sapphic, ruttish and 19 more...
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Miscellany, pt. g
gashlycrumb, gravida, ghee, glaucous, groundswell, gruntle, gelid, golden handcuffs, glaikery, glair, gibbet, goldvein and 4 more...
Tweets
Looking for tweets for gobshite.

obedmarsh gobshite British slang - A person regarded as mean or contemptible.
I came across it watching "My Left Foot" when a woman addresses the young protagonist. Definition comes from The Free Dictionary, though I'm not quite sure if it's accurate. May 1, 2009
whichbe (offensive) Someone who delves in nonsensical chatter or unwanted conversations. (Wiktionary) Jun 12, 2008