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
 Get the Blumpkinmug.
Get the Blumpkinmug. by Soulja Boy 420 Copenhagen February 16, 2015
 Get the blumpkinmug.
Get the blumpkinmug. by timtom271 October 16, 2008
 Get the Blumpkinmug.
Get the Blumpkinmug. by shelly dee January 12, 2010
 Get the Blumpkinmug.
Get the Blumpkinmug. 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
 Get the Blumpkinmug.
Get the Blumpkinmug. Baby i really got to go please let me go ok i will no why dont you join me i will only be a min. ok i'll just finish doing what i was doing but now will just call it a blumpkin
by back voice that u dont listen June 2, 2009
 Get the blumpkinmug.
Get the blumpkinmug. by Jayne Goodwall March 8, 2009
 Get the blumpkinmug.
Get the blumpkinmug.