The miscalculation of distance and/or location of the vaginal opening during rigorous sex which results in the penis slamming against the outer labia or groin.
He drove in deep but missed his mark, resulting in the mother of all Clam-Jams that left him writhing in pain.
by Gottaring January 17, 2012
event where there are far more ladies than men in attenendce: female equivalent of a sausagefest
dude , you gotta get down here ...it's a clam-jam!...wall to wall ladies.
by seanie_b September 15, 2012
(n.) - the female version of a cock block; when a girl sabotages another girl's attempt to get some.
"This guy was hitting on me last night and asked me home, but Cara was being super clingy and made me leave with her instead; whatta clam jam!"
by garry larry July 01, 2013
Female equivalent of a cock block.
"I was talking with this cute girl and this dyke came up and totally clam jammed me."
by Captain Zero March 22, 2014
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
A new age cover band in central Minnesota
Hey did you see Clamjam last night at the Fineline?
by Mumbo Jumbo dos February 07, 2013
A reunion or aggregation of people with an overwhelming ratio of women. The feminine equivalent of a "sausage fest".
Luke is such a charmer, his birthday party was a total clam jam
by Arnaud_OC May 30, 2011

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