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1. HumpNdump
The act of hit and run

A one night stand
That Joe gave the ho the ole HunpNdump
by JokemasterJimmy Jan 25, 2004 add a video
2. Humpndump
When you have sex with a girl (or boy) and then run to the bathroom to unload a large duce
dude I just humpndumped a girl last night and totally clogged her toilet
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