look up any word, like dirty sanchez:
 
2.
When you have sexual relations with a female/male and there is another male/female there gettin' it on with that female/male
Dude i cant believe we double teamed that bitch.

Dude i know it was fucking crazy!!!

Yeah that makes us Eskimo twins now rambro.
by lilseanzie1 December 13, 2009
 
1.
When you have sexual relations with two girls at different moments that also have the same birthday.
Dude, I was on Facebook the other day and saw that I have had sex with two different girls that have the same birthday. They are Eskimo Twins!

Eskimo Twin 1: Happy Birthday Eskimo Twin!
Eskimo Twin 2: Right back at you Eskimo Twin!
by The Daddio January 24, 2013