Top Definition
A mixture a various different alcohols, usually a mix of rum, vodka, whiskey, etc. Often done by teenagers who take small amounts of booze from their parents' bottles so that it is not noticeable. The drink often has a dark brown appearance, hence its name.
Boy: Dude, what is that? It looks nasty!
Girl: It's my dirty sink, want a sip?
Boy: Nah, that shit doesn't look right
Girl: Your loss
by GinOctober December 14, 2010
A yucked out vagina
That trick needs to get her dirty sink serviced
by Wafflebender May 09, 2015
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