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??"
dari StreetBikeTakeover Minggu, 14 Juni 2009
A term used to describe the act of lesbianism
Mellisa and Sarah were engaged in a hot and steamy clambump.
dari Jeff Mills Jumat, 07 Juli 2006
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