beerjacker 

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

beerjacker by wordlover81 February 5, 2010

beerjack 

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!

beerjack by Madddddddy January 31, 2009

beerjerker 

Someone who whines because they are nearly out of their favorite beer and can't afford/won't get any more.

Man 1: Aww. . . almost out of beer!

Man 2: Quit being a beerjerker.

beerjerker by SpiritDragon March 2, 2011