To receive a blowjob whilst depositing feces in the upper tank of a toilet.
A combination of a blumpkin and an upper decker.
A combination of a blumpkin and an upper decker.
As vengeance for not being given a tour of my friend's dairy, I enlisted his sister’s help in performing an blumpkin decker in his bathroom.
by porkchopbiscut October 25, 2004