When a boy is taking a shit and getting a blowjob at the same time and the girl can not stand the smell so she upchucks or throws-up.
by BossmanJR May 25, 2009
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Get the Bloppelganger mug.Getting a blowjob while taking a dump (blump) and surprising the person blowing you by taking a Piss in their mouth.
I was getting a great blump (blow job during a dump) after the bar and instead of blowing my load I took a piss in their mouth and created a blumpiss!
Blump blumpkin blumpkin backfire
Blump blumpkin blumpkin backfire
by jayklaw May 18, 2016
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