one who stealthily can steal another's beer. basically a beer ninja is one stealthy m0-fo and can do it right in front of yo face.
Yo digga, tonite i stole a beer and used kim's fat ass as a screen when i leaned over and grabbed it off the fuckin coffee table. I'm a hella sweet beer ninja.
Hahahahaha Dave was so drunk i walked right up to him and stole his beer like 2 feet from his face. fuckin hilarious. Man that makes 2 beers tonite. I'm such a fuckin beer ninja, yo.
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