a euphemism for female masturbation.
Boyfriend: "Hey, what did you do today?"
Girlfriend: "I got tired of waiting for you to come home, so I started bouncing the bearded clam when you called."
Boyfriend: "Damn!"
Girlfriend: "I got tired of waiting for you to come home, so I started bouncing the bearded clam when you called."
Boyfriend: "Damn!"
by Mel09 May 10, 2006