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The orgasmic fluids of the female reproductive system that aides in lubricaiton of the vagina. It also makes a sometimes smelly mess. Also known as female cum.
Last night I had some ball-slappin action and she got her clam juice all over my thighs.
by Bobby McLaffin December 10, 2004
you put your penis in a womans vigina at the same time when shes on her period
did you just clam juice on me!
by justin wole June 05, 2011