Stealing someone's drink directly out of their hand while at a party, bar, club, or other area where alcoholic beverages are served
Me: BEERJACK!
Other person: That bitch just stole my beer!
by Madddddddy January 31, 2009
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a person who takes all the beer that is left over after a drinking party
dude, she's a beerjacker, she just took the rest of our drinks
by wordlover81 February 3, 2010
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