j-cat
A mentally unstable inmate.
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Where will you be? Anywhere UK & IrelandUnited StatesOnline slangBusiness jargon
Expressions you’ll hear in the US — distinctly American usage first, then widespread staples.
J-Lo
Large buttocks, usually attractive ones.
j-man
Jesus Christ
j-rock
Japanese rock music.
J-Town
The city of Jos in Nigeria.
J. Random
An unspecified person; any old person (followed by a generic role).
J. Random User
An unspecified person or user on a computer network.
j/7
The ship of characters Kathryn Janeway and Seven of Nine from the television series Star Trek: Voyager.
J/C
The ship of characters Kathryn Janeway and Chakotay from the television series Star Trek: Voyager.
jabbed
Vaccinated; inoculated.
jabee
Contraction of Jollibee.
jabillion
An unspecified large number (of).
jabroni
A performer whose primary role is to lose according to social standing.
jack
A man. — A policeman or detective; (Australia) a military policeman.
Jack and Danny
The vulva and/or vagina.
jack around
To misbehave, fool around.
Jack Benny
A three and a nine as a starting hand in Texas hold 'em.
jack boy
Alternative form of jackboy.
Jack Dusty
A jack-of-the-dust: a storekeeper in charge of dry foodstuffs.
Jack in the Crack
Jack in the Box (a chain of fast food restaurants).
jack into
To connect to a computer system.
jack it
To masturbate.
jack off
To masturbate.
Jack Shalloo
A (male) braggart.
jack shit
Nothing; (a lack of) anything (i.e., of value).
jack up
To raise, hoist, or lift a thing using a jack, or similar means.
Jack whore
A female prostitute with a large build or masculine characteristics.
jack-in-the-box effect
A specific effect of a catastrophic kill on a tank or other turreted armored vehicle in which an ammunition explosion causes the tank's turret to be violently blown off the chassis and into the air.
jack-of-the-dust
The storekeeper in charge of dry foodstuffs.
jackal
A jack (the playing card).
jackalsona
A fursona that is a jackal.
jackass
A kind of bootleg liquor.
jackass of all trades
An individual who is exceptionally incompetent at everything.
jacked
High on drugs or stimulants.
jacked up
Describes a 4x4 automobile that has a "lift kit", raising the body and/or frame higher than stock.
jacket up
To criticize or scold (someone).
jackhole
An obnoxious or contemptible person.
jackintosh
The Atari 520ST microcomputer.
jackoff
A jerkoff (mean, nasty, or obnoxious person), a jerk, an asshole.
jacks
A pair of jacks.
jackson
A U.S. 20-dollar banknote USD (from the portrait of President Andrew Jackson on the bill).
jackwad
A bad or stupid person; bastard.
jackwagon
An objectionable person; a jerk; a jackass.
JaDine
The couple and loveteam consisting of actor James Reid and actress and singer Nadine Lustre.
jadrool
A loser; a bum.
JAFA
Initialism of just another fucking Aucklander.
jaffa
An impotent or infertile male.
JAFO
acronym of just another fucking observer/officer/operator
jag off
To be or make (something) jagged.
jagweed
A rude or obnoxious person; a jerk.
jahoobies
Large female breasts.
jaichand
One who opposes Hindutva and supports its enemies, a traitor, especially a race traitor.
jail juice
Synonym of pruno.
jail purse
A body cavity when used to store or smuggle things into jail.
jailbait
A sexually mature person below, or appearing to be below, the legal age of consent, who is regarded, usually by an adult, as being sexually attractive and/or seductive.
jailtacht
An area in a prison where Irish was spoken, particularly during the Troubles.
jajillion
An unspecified large number (of).
jake
Synonym of OK: adequate, satisfactory, acceptable.
jake brake
Especially on trucks, an engine compression release braking system that opens the exhaust valves in each cylinder near the top of their compression strokes in order to slow the vehicle; an engine retarder.
jake leg
Paralysis of the feet and ankles caused by the consumption of TOCP (tri-ortho-cresyl phosphate) or methyl alcohol, found in adulterated moonshine or Jamaica ginger extract.