1 definition by Jeff Camacho

Top Definition
Mump: a small round lump which replaces the penis or vagina.It usaully has a single hair that is surronded by a small purple circle, similar to a nipple.
I waled into Timmy's room and he hd his pants down. I saw his mump and screamed. It was the worst thing I had ever seen.
by Jeff Camacho February 15, 2007

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