The act of forcing all of your penis into the women's vagina in one powerful thrust.
Jack: Yo Matt, how was Chelsea last night?
Matt: Dude, it was awesome, I clam packed her at least 10 times!
A gangbang
Janice had a sore vagina after participating in a 6-man cocaine fueled clam-slam in the nightclub's storeroom.
The rhythmic pulsation of the female genitalia in response to stimulation via either an external source or in some cases the mere thought of a sexual encounter. This phenomenon is usually accompanied by the excretion of bodily fluids stated colloquially as "clam chowder."
At first I didn't think Jackie was that in to me until the clam beat started up, from there on out it was like Ivar's up in the bitch.
When a woman is pounded so often and so hard her pussy chatters as she walks.
Joe: I swear the boss has clam chatter.
Doug: Is that what I hear when she walks down the hall?
Joe: yeah, I think it's because Paul's been pounding that several times a day.
Doug: wow! That old man can still put it out.
The female equivalent of a dick pic. A photo of your snatch.
"My boyfriend loved the clam cam I sent him last night."
'clam socket' is yet another term for the ladies love tunnel. also used as a general term of abuse in certain circles, usually males with hairy arses.
'you really are a clam socket glen!!'
A frowning vagina, IE: a vagina with an oddly, visible and prominent curvature. The curvature resembles a sad face, much like a crying clown holding a balloon. An unpleasant vagina, one that nobody would like to see.
"Daaaamn, did you see the busted vagina on her?" "Yeah, that's a sad clam, Rodger!" Also see: ham wallet