Large group/party consisting primarily of vagina. I.e., equivalent to the male version "sausage fest".
Person A: So, how was the shin dig?

Person B: It was a total clam jam!
by Booka88 June 21, 2010
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The last Saturday before finals at Fairfield University in which thousands of students flee the overbearing pigs that run security at school and migrate to fairfield beach for a fun filled day of binge drinking, bitches, and beriut. Clam Jam includes various bands, dj's, drunk security guards and of course plenty kegs to go around.

It has recently come under the scrutiny of full time residents at fairfield beach who bought beach houses in a college town for half the price, expecting no disturbances. As much as these fun suckers try to ruin our time, clam jam will always live on.
John: You going down to clam jam today? I heard the cops are gonna be strict.
Mike: Fuck those pigs. I would never miss clam jam.
by FU Beach September 22, 2010
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With a variety of clam, from the Bearded Clam to the Soft Shell Smooth Clam, many Clams can be found with Clam Jam. Clam Jam is a buildup of male ejaculation, that becomes engulfed in the clams natural frothy excretion, causing both to solidify into Clam Jam. Clam Jam can be identified on these Clams based on texture, and jello like texture. This makes for a wholesome snack on crackers when obtained freshly from the Clam. Most Women quite enjoy the Clam Jam spread on crackers with a cold glass of pink Moscato.
Jenny's clam was spewing Clam Jam, so I made her Clam Jam Crackers with a glass of Moscato.
by Peter R Wong January 29, 2021
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She’s such a “clam jam”, I cannot believe she couldn’t take a hint to leave jim and I alone .
by Stanky D March 10, 2018
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When you give your friend a bad nick name so that boys don't talk to her and she ends up alone at the end of the night.
Boy: Hi. What are your names?
Friend: I am Sexy Bexy and this is my friend Steephy Queefy.
Boy: *walks away*
Queefy Steephy: You Clam Jam me every time with that nick name!
by Steephy Queefy March 31, 2013
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The act of lesbian lovemaking. See also scissoring.
I don't think Krissy and Melissa are dating; I think they're just clam jamming.
by Kitty Vicious December 1, 2007
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