When a person thinks that they are really strong with enormous muscles, but in reality they are small.
-Soccer Player: Hey bra, I just maxed out at 140 on bench!

-Football Player: Wow, dude! Ur jacked as shit!

-Soccer Player: I know, right?
by mtnt69 April 18, 2011
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1. An expression using the verb jack, which means "to steal." To "jack that shit" is to "steal that thing or those things."

2. To "jack someone's shit" can also mean to punch them or beat them up.
As soon as that fool gets up and walks away from the moneybag, I'm going to jack that shit.

Man, Theo pissed me off so bad-- I'm gonna jack his shit up yo!
by Wikiwonder July 9, 2009
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you dont know jack shit a word meaning you know nothing or are too stupid to figure it out
dude whats an electric car

man you dont know jack shit you are too stupid to know what an electric car is unless you get ran over by one
by littlejimmie January 24, 2019
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to steal someone else's goods, take a five-finger discount, or otherwise rob someone of their possessions.
If you don't pay back the money you owe, I'm going to jack your shit!
by the_rotten1 December 26, 2011
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say i just took someone's id they had in their hand:

Me: I just jack dat shit.
by Sterv A. Hamitlton September 30, 2008
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The action of a male jacking off while taking a shit.
"Damn, he has been gone for a long time in the bathroom.. He must be shit-jacking!"
by PleaseEndThisHell20 January 6, 2017
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