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 February 28, 2007
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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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recieving a blow job, while taking a dump.
My bitch gave me a blump last night. It was good.
by baggs November 24, 2004
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When something SUCKS! When you find out about it, it ruins your day
God damn bro is it just me or is RC blump at soccer?
by chortles November 12, 2017
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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 06, 2010
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