A homosexual woman. (slander)
Man: "How did I know my girlfriend would run off with a clam bumper?"
লিখেছেন- Spud 27 de জানুয়ারি de 2004
4 more definitions
"Gee, I never would've guessed that Rosie O'Donnell was a clam bumper.", he said sarcastically.
লিখেছেন- Mike Stander 1 de অগাস্ট de 2003
"you two clam bumpers wanna be alone?"
লিখেছেন- like2watch 1 de অগাস্ট de 2003
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.
লিখেছেন- leanna :) 7 de এপ্রিল de 2006
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
লিখেছেন- Cockmaster Bob 12 de জানুয়ারি de 2004