cock sisters

two girls who have slept with the same guy
"hey girl, you know, we cock sisters. I was with that fool years ago, before you ended up with him."
by Spellbound July 04, 2014
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vag brothers

two guys who have slept with the same girl
"Dude, we're vag brothers. I was tapping that before you where."
by Spellbound July 03, 2014
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