Adj, To hump a girl whilst she is on her period, using the blood as lubricant.
e.g harry was blumping sally while she was on her rags. Her menstrual blood made for a good cheap lubricant
by KNDO May 30, 2009
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Girl 1: Hey have you met that guy?
Girl 2: Yeah, the other week I was blumping him!
by Zarbonian February 15, 2018
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Snorting cum through the nose (as a coke-head would do with cocaine).
"I banged this girl the other day, she loved my cum so much that she grabbed a straw and started blumping right there in the bed."
by BreakerOneNine May 7, 2010
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A sexual activity involving blood. Humping- when blood is involved.
Bill and Lorena were totally blumping on the sheets they killed those people on.
by doomstew August 1, 2009
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the sexual acrobatic super move of completing a double blumpkin by 69ing and simultaneously shitting.

*Warning*: NOT for recommended for novices.
Billy: Hey, can you give me a blumpkin?

Jill: Only if you give me one too!

(Both begin to chant, beginning in a soft whisper, and slowly building in volume and frenzy): BLUMP TO BLUMP!, BLUMP TO BLUMP!, BLUMP TO BLUMP!
by Whoopi Goldberg March 1, 2007
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