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
#blumpkin #upper decker #shit #blow job #oral sex
Roger Podacterによって 2010年09月19日(日)
Top Definition
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.
#blumpkin #toilet #upper decker #upper deck #poop #shit #head
Dante Rauによって 2006年07月20日(木)
An event when two couples receive phalacio while defecating in the bowl and in the tank.
"Yo Dawg, did you hear Shaniqua was in a Upper Decker Double Blumpkin' last night?'
#phalacio #pooping #blow job while pooping #fart #sex #tits #boobs #penis #vag #twat
mrButtersによって 2009年04月22日(水)
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