The act of sitting on the top part of a toilet and shitting while getting head by the girl who is strattling towards you on the bottom seat while also taking a dump at the same time.
The raunchiest act of the famous "blumpkin" to the next extreme calling it the Upper Decker Double Blumpkin.
by Dante Rau July 20, 2006
Get the Upper Decker Double Blumpkinmug. When a man is taking a dump in the tank of a toilet while a female is sitting on the bowl taking a dump while facing him and performing oral sex on him.
Yo I was taking a shit and Tracy want to give me a blumpkin but she also had to take a shit so we did an Upper Decker Double Blumpkin
by Roger Podacter September 19, 2010
Get the Upper Decker Double Blumpkinmug. The very intimate act in which the male lover delicately removes the top cover on the porcelain tank of a toilet. Next he will mount the the tank and begin to defecate. Now the female lover gently sits on the toilet seat facing her male partner. The act begins when she also compenses to defecate while orally accepting his genitalia.
I knew she was the ONE when she pulled me into the hotel bathroom and introduced me the amazing upper decker double blumpkin.
by INFDOC September 9, 2021
Get the Upper Decker Double Blumpkinmug. by mrButters April 23, 2009
Get the Upper Decker Double Blumpkin'mug. It's the act of the man taking a dump in the tank of the toilet while the woman takes a dump in the bowl while giving the man a blowjob while a third party performs a golden shower.
by Reedski March 27, 2015
Get the upper decker double deluxe blumpkinmug. When a man is taking a shit in the toilet tank while a female is sitting on the bowl reverse cowgirl taking a shit and sucking his dick then once they are finished they preform a reverse 69 licking each others assholes clean.
by tootalljen89 November 22, 2011
Get the kentucky upper decker double blumpkinmug. Sexual act requiring 4 people. Person 1 sits backwards on the toilet while defecating and gives a blowjob to person 2, who is defecating in the tank of the toilet. Person 1 also gives hand jobs to persons 3 and 4, who are standing on either side of the toilet. Person 2, 3, and 4 high five above person 1's head.
The combination of the double blumpkin supreme, the upper decker, the pterodactyl, and the eiffel tower
The combination of the double blumpkin supreme, the upper decker, the pterodactyl, and the eiffel tower
Tom: Dude, I saw the nastiest thing, this chick was doing the "double blumpkin upper decker dactyl tower" at that party on Saturday night.
Ted: Wow she must be a freak!
Tom: Yeah, I almost puked!
Ted: Wow she must be a freak!
Tom: Yeah, I almost puked!
by noey November 29, 2013
Get the double blumpkin upper decker dactyl towermug.