Slam Sisters

Two or more girls that have had sex with the same guy. It is the female equivalent of Box Brothers.

Keith: Both Alison and Stacy had sex with Doug!
Kyle: Haha, they're slam sisters now!

6👍 3👎

sister slam hands (ssh)

To knock a bitch out ;)

Meghan: I'm about to sister slam hands (SSH) with Samantha tomorrow.
Tohmas: OMG. REALLY? Why!!