A variation of the blumpkin where Brian gives oral sex whilst evacuating his bowels, thus utilizing both alpha and omega of the ailimentary canal simultaneously.

Or in laymans terms, when Brian sucks a cock at the same time he is also beaming Schatner off the Enterprise....the sucker is the crapper.

Note to Brian: The money shot should occur at the precise moment of final fecal release, thus synchronizing anal closure with ejaculation.
While Brian was taking his monthly shit, Eli whipped out his cock and got a BJ from him at the same time. Ahhhhhh...... he was the only man he ever knew that would give a reverse blumpkin.
by Brian and Eli forevs February 3, 2018
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When a girl sits down on the toilet to take a nasty shit and blows a guy while shitting her ass out.
Man I just got a Reverse Blumpkin. That bitch shit her ass out while giving me head!
by BieberHole6969 December 20, 2014
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When you're peeing in a toilet while she's/he's eating your ass
I decided to try a reverse blumpkin the other night and then I s*** in her mouth.
by Encourageable October 9, 2020
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Instead of blowing someone when they’re on the toilet, you eat someones ass when they’re pissing at a urinal
Skyla: I gave Remi a nice reverse blumpkin last night
Mateusz: Damn he must’ve cum into the urinal
by Big d1ck bo1 December 8, 2021
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When a woman is taking a shit and her man is fucking her face.
I gave Aaron a reverse blumpkin this morning before work. He'll have a great day!
by Reverse Blumpkin December 1, 2019
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A female is sitting on the toilet as her male lover is exiting the shower that she had occupied only moments ago. She had a turtle head poking its unruly neck out due to the deep dicking she had received in the shower prior to this. As the male passes the female she gobbles down his penis in the heat of passion they were still clearly still in. This is something that is in general unplanned and considered highly taboo. However, the two people had in fact not only been in the act of the reverse blumpkin but, had done so accidentally. Hence the accidental reverse blumpkin. The two never spoke of it again. Both feeling ashamed of committing such a perverted act.
I bet they didn't see that accidental reverse blumpkin coming before they hopped in the shower like a couple of wild dogs in heat. Its ok, Jesus still loves them....
by madmike135 July 30, 2018
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When a woman is taking a shit on the toilet the man proceeds to eat out her vagina
Hey babe its your turn to return the so how bout that reversal blumpkin
by LILBIRD87 June 10, 2022
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