clashing clams
The process in which two lesbian or bisexual females rub their nude vaginas together to achieve stimulation.
I caught Jessica and Rebecca clashing clams in their dorm room, so I offered them my organic dildo. We all had a good time after that!
Clash of Clams
When 2 ladies have a fight!
Saw two wifes fighting on the tram last night. 'it was a proper clash of clams '
Clash of Clams
When two lesbians are arraged where their vaginas are rubbing together.
These two chicks got naked and had a clash of clams on my bed.