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Any night of the week when someone can't drink, smoke, or play cards because of massive pain in vajeen. Indicators usually include comments like, "I have to work tomorrow", "My girlfriend and I are going to play scrabble", and "I've got to leave by 10pm".
T-bone: "Yo homes you gonna come throw some dice or what son?".

David: "Nah dawg, I gots to be busting out its a skool nite yo".
by Crip' Walkin' May 07, 2008
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