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The female equivalent of eskimo brothers: Two girls that have bumped uglies with the same guy.

Sled Twins have 2 or more sex partners in common.
You are fucking Tanner? no way, i fucked him too! we are sled sisters!!!

And you fucked his brother?? wow. me too. fuck we are sled twins.
by eskimobrothermaker May 23, 2011
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2
A pair of female friends who have both had sex with the same male, not necessarily at the same time. Female form of Eskimo Brothers.
"Hey, I heard you and Billy screwed. I did him last week, we're totally sled sisters!"
"Awesome!"
by Glowering November 30, 2009
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