Definitions by KateMinus8
eskimo sibling
When two people have had sex with the same person, but not necessarily each other. They can both be male, both female, or opposite sex.
"Hey Jill, I made your boyfriend Bill my bitch in prison."
Jill: "Oh cool, I guess that makes us eskimo siblings!"
Jill: "Oh cool, I guess that makes us eskimo siblings!"
eskimo sibling by KateMinus8 May 3, 2014