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1.
1. to conceal an alcoholic beverage, typically of the can variety and of high alcohol content, within the confines of one's hockey-jersey-sleeve while in public.

2. a strategic pre-game move that allows one to continue consumption while utilizing public transit in efforts to avoid ass-rape beer prices at the venue.
James: "Sir, I'm afraid we must leave this here Branch Avenue, for I fear that we will miss the dropping of the puck if we continue to partake in consumption of this delicious DC Brau. A pity it is to leave this beer behind."

Joseph: "Fear not, good sir, for tonight we are sleevenit on the Metro in our Washington Capitals hockey jerseys!"
by J_W3L5H October 30, 2011