Top Definition
kyb
An acronym for the phrase 'kill yourself, boss'.
Dave, why dont you go kyb?
by Jon August 19, 2004
1 more definition
KYB
Acronym for "quit your bitchin'". Mostly used when someone is complaining over trivial matters.
I was talking about gender inequality, and some kid from Nebraska told me to KYB.
by Filisophizer October 12, 2014

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