jack, doodly-squat, diddly-squat, diddlysquat, diddly-shit, diddlyshit, diddly, diddley, squat, shit (noun)

a small worthless amount

"you don't know jack"

mariner, seaman, tar, Jack-tar, Jack, old salt, seafarer, gob, sea dog (noun)

a man who serves as a sailor

laborer, manual laborer, labourer, jack (noun)

someone who works with their hands; someone engaged in manual labor

jackfruit, jak, jack (noun)

immense East Indian fruit resembling breadfruit; it contains an edible pulp and nutritious seeds that are commonly roasted

jack (noun)

a small ball at which players aim in lawn bowling

jack (noun)

an electrical device consisting of a connector socket designed for the insertion of a plug

jack, jackstones (noun)

game equipment consisting of one of several small six-pointed metal pieces that are picked up while bouncing a ball in the game of jacks

jack (noun)

small flag indicating a ship's nationality

jack, knave (noun)

one of four face cards in a deck bearing a picture of a young prince

jack (noun)

tool for exerting pressure or lifting

jack (noun)

any of several fast-swimming predacious fishes of tropical to warm temperate seas

jack, jackass (verb)

male donkey

jack, jack up (verb)

lift with a special device

"jack up the car so you can change the tire"

jacklight, jack (verb)

hunt with a jacklight

jack (Verb)

To hit (the ball) hard; especially, to hit (the ball) out of the field, producing a home run.

Jack (Noun)

Jack Daniel's, a brand of American whiskey.

Jack

Jack is a song by British record producer Breach. It was released through Dirtybird Records as a single on 12 July 2013, and peaked at number 9 in the UK Singles Chart.