Top Definition
The often confusing bulge on some womens pants, commonly mistaken for a penis bulge.
"Yo Nick, did you see Patty on register 7?"
"Bro, idk if thats a girl or not, did you see that clambump??"
#patty bulge #pants mountain #jean mound #panty pile #chick balls
by StreetBikeTakeover June 14, 2009
A term used to describe the act of lesbianism
Mellisa and Sarah were engaged in a hot and steamy clambump.
#lesbian #sex #dyke #carpetmuncher #eating out
by Jeff Mills July 07, 2006
Another term for scissoring.
Hey babe, wanna clam bump?
#vagina #clam #bump #scissor #clam bump #lesbian #sex
by King Clam Bump July 21, 2013
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