jack is a person who can nut into his own mouth without using any hands. He is a gangsta who nuts in November, he and his fellow gang members from the chatty gang nut in tight circles to save as much cum as possible for the winters.
'oh, that's just Jack out cuming with the boyz again in Chatswood!'
by jacksgoodmatesexyvegan6969 November 11, 2018
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Something that is really bad or messed up.
His teeth were so jacked. Traffic was jacked. That was really jacked up the way he spoke to you.
by Erica Williams June 23, 2006
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To instruct a fellow jackoff(n) to continue jacking off(v), despite himmerself's better logic.
by Pillup March 6, 2006
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huge dick, bigger than a plain that's why all the girls complain cuz they can't get jack. Gets all the girls. You'll be lucky to even touch him. only takes dem fresh ones with the massive tits and his balls hang on a shelves cuz they are too heavy.
Jack can't fuck you cuz his dick is too big.
by Dy1aen February 5, 2018
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Jacking refers to the act of robbing or stealing and can refer to jacking one person in particular or can refer to say lyrics from a tune.
"Did you hear what happened to Leroy Brown on the 93 bus last night? He got jacked by a group of kids... they took his phone".

also:

"That 50 cent is whack... hes always jacking lyrics from other mans tunes... allow him"
by David Fisk April 8, 2006
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messing, joking, or fucking aroung with someone or something.
by Amy August 10, 2004
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