The act of giving or receiving a blumpkin while on the street. Subject A proceeds to defecate in a street, sidewalk, or alleyway. Subject B performs fellatio on Subject A during the defecation process.
The homeless guy was already taking a dump in the alley; I thought I would be charitable and give him a Street Blumpkin.
by EvilBender October 12, 2009
Get the Street Blumpkinmug.