Top Definition
2 or more women that are friends or sisters that have sex with the same dude continuously so the guy refers to them as "slisters" (slut sisters )
Bro1: dude see those chicks over there?
Bro2: ya man
Bro1: they're slisters
Bro1: Im fuckin em both.. slut sisters

Bro2: oh nice! *high five*
by imcolinyoumaybe June 06, 2014

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