Butt Retching

verb
When you have diarrhea so bad that you have nothing left to pass, and your ass starts retching. Similar to when you have nothing left to vomit, but from your anus's point of view.
"Hey, is Steve coming out tonight?"
"Nah man, he has food poisoning. Left him butt retching for like three days."
by tommy two suits June 23, 2014
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