look up any word, like muddin:
 
1.
An activity often carried ot by lezbians. To bump ones vagina against anothers. Can be done with two transvestities.

"I have so many bruises from vagina bumping."


-ZAK.
by zanealexkhan April 08, 2009
 
2.
The large protrusion seen through a females' pants just above the the vag typically right under the belt buckle. Not to be confused with either a Fupa or cameltoe.
"yo is she really a dude"-Tim
"you mean her bulge? no she just has a major vagina bump"
by super ninja panda December 06, 2008