When you and your friend have slept with MORE THAN ONE similar girl/shared multiple igloos; thereby elevating the two of you from meer Eskimo Brothers to Super Eskimo Brothers.
"Oh shit! I didn't know you slept with Diana! We were already Eskimo Brothers through Katie, but now, well... tell Bowser we're coming for dat Princess, cause we Super Eskimo Brothers!

eskimo brothers
by Killermeteor99 March 25, 2016
Get the super eskimo brothers mug.