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When you have drank so much alcohol that you are blacked out and decide to masturbate to no avail, and not being able to remember
I walked in Matty O's room last night and he was blacking off
by State O State October 16, 2008
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2
A white or caucasian person trying to act black
Hey did you see Jimmy? He is wearing some baggy pants, a flat brim hat, and some huge diamond earrings. Yeah I saw him, he was totally blacking off!
by stokley17 January 26, 2010
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