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Telling someone to do something and stop asking questions about it, especially when the demand seems bizzare and you dont seem to have any logical or sensible reason. Originated from the Nike slogan 'Just Do lt'.
Jack:Alright, can you just tell me why i should jump off this cliff.
Jake:Nike Bitch!

Girl:Your dick stinks! Why should i suck it?
Guy:Nike Bitch!
by Black-Jaw November 03, 2010
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