Top Definition
The act of taking laxitives for weight loss; shitting (in liquid form) everything you eat.
"Dude, I'm worried about Robertson! I think he is butthole~bulimic"
"All he does is drink water and go to the shitter, and today I heard him crying in there!"
"seriously, making weight isn't that important"
by Clayton Coomer August 17, 2008
6 Words related to Butthole~Bulimic

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