Eskimo Brothers-In-Law 

When two guys each have sex with a different full blooded sister.

what's up Joe, I just banged Becky. Really? I banged her sister! That makes us Eskimo brothers-In-Law!

Eskimo Brothers-In-Law by Mushroom Stamper April 9, 2015

Eskimo brother in law 

When you think about your friends girlfriend while masturbating.

Hey dude i was thinking about your girl while i was jerkin it.
Dude i was thinking about your girl while i was jerkin it too.

we are so eskimo brother in laws

Eskimo brother in law by Lilseanzie December 9, 2009

eskimo brother in-law 

When one jerks it to their friend's hot sister.

I totally rubbed one out to Greg's sister last night; that makes him my eskimo brother in-law now right?

eskimo brother in-law by the leagueeee December 21, 2010