Top definition
A torrential, explosive evacuation of the bowel. See diarrhea, the runs, loose bowels.
Noun Usage:

Ignoring his Irritable Bowel Syndrome , Esteban gorged himself on Chimichangas and Spicy Nachos. The resultant Butt-torrent was so violent it shook the foundations of his apartment block and set off several car alarms.

Verb usage: to 'download a Butt-torrent.'

Esteban's reckless enchilada consumption triggered a very real and urgent need to download a butt-torrent of epic proportions.
by The_Beard_of_Odin April 20, 2009
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