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1.
An even grosser twist on the blumpkin that I randomly thought of one day. It is when a girl performs a blumpkin on a guy when he is shitting in a port-o-potty/port-o-john. Rumored to happen at the most redneck of places such as county fairs, nascar races and tractor pulls.
Mary-Sue gave Billy-Bob a redneck blumpkin at the tractor pull. This caused all Billy-Bob's friends to immediately become jealous and wish they could get one too. Billy-Bob was later quoted as saying "I'm gonna marry that girl one day".
by Ryan E from Sci-town August 18, 2010