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2 definitions by centrebro

 
1.
The act of heroically chugging a beer, generally on one knee, while wearing a cape.
Johnny had decided not to party that night, but when he saw his friend champion chug a 40 ounce bud heavy, his morale was immediately restored.
by centrebro February 01, 2011
 
2.
The act of jacking off while blacked out. Typically results in mortifying embarrassment the following morning.
Pat: Mitch, I know I was drunk last night, but were you beating it on the living room couch last night when I walked in?

Mitch: Wish I remembered bro, I have the bad habbit of Blackin' Off when I drink too much.
by centrebro November 28, 2011