The shredding cut just below the thumb one receives from attempting to twist-open a beer that requires a bottle opener. Beer wounds typically occur in direct proportion to how drunk the would-be consumer is.
Gary: Fuck man, what happened to your hand?

Greg: Last night I was so hammered I spent 15 minutes trying to twist-open a Hoegaarden. Turns out you need a bottle opener for those...

Gary: Well, scored yourself a grade A beer wound!
by Flashheart January 14, 2010
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