When you are in the middle of sex, and you have to take a dump. You go and take a crap while your girl sucks on your dick So that your boner stays up.
I had to take a shit while i was fucking kandy, but i didnt want my boner to go down so she gave me a blumpkin.
by Legacy021 May 2, 2009

Getting a blowjob while taking a huge shit. Derived from combining the first to letters of blowjob to the word pumpkin (the size of the shit taken).
Guy 1: Hey, you hear what happened to Marty after Prom?
Guy 2: Yeah! He went to the bathroom and got a blumpkin from his girlfriend.
Guy 2: Yeah! He went to the bathroom and got a blumpkin from his girlfriend.
by Jafar6Kumar April 17, 2009

by timtom271 October 16, 2008

by shelly dee January 12, 2010

To receive fellatio while simultaneously defecating
(blowjob+dump+pumpkin=blumpkin). In other words, the best of both worlds.
(blowjob+dump+pumpkin=blumpkin). In other words, the best of both worlds.
by Colder May 7, 2011

Verb or noun: The act of receiving oral sex while sitting on the toilet; defecation during pleasure is optional.
Jack:"Why does Carl always go to the bathroom with Veronica, leaving with a smile on his face?"
John:"Because Veronica is a dirty blumpkin whore."
"Adam got a blumpkin from that skank."
"Stacy is giving a blumpkin to that guy with HIV."
John:"Because Veronica is a dirty blumpkin whore."
"Adam got a blumpkin from that skank."
"Stacy is giving a blumpkin to that guy with HIV."
by KevinDeath January 4, 2008

by Say What ? October 7, 2008
