2 definitions by tonto goldstein

(verb or adjective) To drink excessivley at the end of ones working day.
"I'm pretty sure I'm going to blackout today"
"It's Blackout Wednesday!"
by tonto goldstein June 22, 2006
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(Verb) To be a white male, speaking normally amongst other white people, but suddenly slipping into the natural tone of ebonics in the presence of african americans.
"Well, Lewis just blacked out again"
by tonto goldstein June 22, 2006
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