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Similar to an ordinary blumpkin but in this case the girl A.C. Slater's the toilet and blows the guy as he upper decks the toilet.
Chad and his girlfriend had to shit at the same time, so to kill two birds with one stone she gave him a double blumpkin in her parents bathroom.
by D-Zell June 23, 2011
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Aug 11 Word of the Day
A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.
"My boyfriend has a total case of brain worms. He told me the cat was bugged so the Feds could listen in on us having sex..."

or

"You totally stumbled over that entire sentence. Can't speak English all of a sudden? What, do you have brain worms?"
by _Jez_ October 03, 2009
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2
When you and your partner simultaneously shit on each other while 69ing
The other night me and my girl were in the mood, so we decided to double blumpkin
by Space Dock April 01, 2010
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3
When you and a friend achieve the amazing feat of reciving simultaneous blumpkins in a public bathroom.
Guess what happened to me and earl last weekend, we met up with some skanks and got a double blumpkin.
by the duke of all dukes September 26, 2008
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4
While receiving a blumpkin, instead of using the toilet to release your shitty load, you use a female or male's mouth. While the other female or male covers the blowjob portion.
by Bigolfattiedoubleblumpkin January 02, 2009
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5
When you dump on someone’s chest while they’re dumping on someone’s chest but only on November 3rd
Hey it’s November 3rd, maybe we can try a double blumpkin
by urmomgottagteamed November 03, 2019
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