When a man defecates in the top tank of the toilet while receiving oral sex from someone pooping and sitting backwards on the seat.
"Hey girl, my dick is real hard and I noticed that we are both have been farting a lot. Perhaps we should A.C. Slater-Upper Decker Blumpkin"
by Juan Perico March 07, 2009
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 21, 2015
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 June 03, 2011
The art of recieving a blowjob from a woman while she is shitting in the bowl of a toilet and you are taking a shit in the tank/cistern of the same toilet at the same time.
by vaaleainhoinen January 25, 2009
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
The unspoken act of a female performing an upper decker, whilst a male counterpart carries out a defecation in the lower (relative to aforementioned upper deck) deck, whilst eating out the aforementioned female.
Gary and Bruce were both really excited to partake in the sensual act of a Double Upper Decker Double Reverse Blumpkin, but neither one had eaten a large enough meal to carry out the act.
by doubleupperdeckerdoublereverse October 13, 2019
Taking a dump in the toilet tank while having your dong slobbed by someone sitting reverse on the toilet while they are dumping
by Dick Head Buckaroo August 13, 2015