Verb. Intransitive. To masturbate, exclusively used when referring to a female. Some say it is actually a lesbian sex act, but they are wrong. That's called scissor sisters.
Mike : Did you hang out with Fugu yesterday?
Matt : Nah, man. I couldn't get her out of the fucking house. She was slamming the clam for like five hours!
Mike : Damn, man, she's gotta be chafed after that.
Matt : Nah, man. I couldn't get her out of the fucking house. She was slamming the clam for like five hours!
Mike : Damn, man, she's gotta be chafed after that.
by DasProfezzional May 26, 2005

Guy 1: What did you and that girl do last night?
Guy 2: We went back to my place and I ended up slamming the clam.
Guy 2: We went back to my place and I ended up slamming the clam.
by Twatwaffle123 October 29, 2009

by Jersey Gourmet October 17, 2010

by undefinedwerd October 13, 2012

by Oppozy November 12, 2009

When you insert your penis into a woman’s vaganal canal ver aggressively to assert dominance over your victim.
by Supreme God of Gods...Danielly January 01, 2019

by Jerry October 05, 2004
