Two people that vaguely know each other ( co-workers, have the same class, etc) and have had sex with the same person.
by Charles Rizzman December 19, 2022

A deep passionate French Kiss with tongue. The term originating from the 1975 film "Mandingo" in the film the character coyly and shyly accepts a "cousin kiss" with the implication it is innocent only for it to be lustful and amorous and intense.
by big bobs house of feces October 11, 2023

Two females who engage in an intimate, scissoring, one night stand. The two may never see each other again, but they will always be cunt cousins.
"Wow I can't believe how drunk I was last night. I hope I don't see my cunt cousin anytime soon!"
Two females who engage in an intimate, scissoring, one night stand. The two may never see each other again, but they will always be cunt cousins.
Two females who engage in an intimate, scissoring, one night stand. The two may never see each other again, but they will always be cunt cousins.
by Suction Cup Sadist September 16, 2018

Nobody can be better than him.
by Bardin December 11, 2018

3. Your cousin’s spouse
by Hunter Grant Covengton July 19, 2018

The act of two cousins sandwhiching a woman between them usually in a kinky depraved sex act. It is widely known the best cousin sandwhich is served in cali by Devil and Dirty!
by gypsydave January 16, 2012

Last night Ruby had sex with my exboyfriend Scott so now Ruby and I are beaver cousins.
Sue and I talked all night at the party and I liked her until I found out we were beaver cousins.
Sue and I talked all night at the party and I liked her until I found out we were beaver cousins.
by sisterhood November 20, 2011
