1. (noun): oral sex given to a male partner while he is defecating on a restroom toilet.

2. (noun): a large, fat black man wearing an orange goose down parka; contraction of BLack and pUMPKIN.
1. "I took her to the shitter and got a blumpkin. It was greasy though and I think I splashed her chin."

2. "Ha Haaaaaaaaa. Yooooooo! Hey, yo! look at that Blumpkin ass nigga."
by Deroc October 19, 2008
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The act of defecating while receiving a blow job.
Blumpkin Haiku:

Stinky poo, deep throat\
Get on your knees now baby\
Man, I love bumpkins\
by MC Flunk August 25, 2008
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the act of giving a blowjob to someone while he is taking a shit
Holly gave kyle a blumpkin in her bathroom.
by Smoochy da Ryno September 29, 2008
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Its when a #A chick gives you head while your sittin' on the toilet takin' a shit!" -Harold and Kumar: escape from Guantánamo Bay.
Chick-" Hey you want a Blumpkin?"
Guy-" Whats a Blumpkin?"
Chick-" Ugh never mind"
Guy-"Damn!"
by NiXONs Bak July 29, 2009
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Recieving oral sex while taking a shit.
Yo' bitch gave me a blumpkin last night when yas left fa smokes.
by C bass August 21, 2007
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A blumpkin is when a guy is sitting on the toilet taking a shit while simultaneously receiving dome from a girl
Kyle-"Yoo ryan how was last night with sarah?"

Ryan-"So dope, before i knew she was giving me dome when i was shitting!!!"

Kyle-"you mean like a blumpkin?"

Ryan-"exactly"
by Tre Bay Locc Dogg September 18, 2009
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getting a blowjob on the toilet while taking a number two.
I got a blumpkin the other night after I ate some taco bell. We both needed toilet paper.
by peatmoss941 July 29, 2008
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