clam bumper
A homosexual woman. (slander)
Man: "How did I know my girlfriend would run off with a clam bumper?"
clam bumper
lesbian
"Gee, I never would've guessed that Rosie O'Donnell was a clam bumper.", he said sarcastically.
clam bumper
Lesbian
"you two clam bumpers wanna be alone?"
clam bumper
Cassie Balleza from chowchilla that is really RANK. she smells like cottage cheese!!!!! shes a fat stupid bitch and often fucks sara merical, also a clam bumper who smokes oregano and thinks its bud!
Sarah and cassie fuck when they are together
Clam Bumpers
One definition of lesbians, (clam meaning vagina) insisting that the two women have sex by rubbing one of their vaginas against the others vagina.
Cindy and Martha love eachother, they are probably clam bumpers.