A Butt Snail is when a male cums into females ass then she drags her bum on the ground like dog leaving a trail of cum
by Getsmashed41010 January 25, 2019
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A made up disease to be used for excuses like missing school, or not wanting to be raped in the ass.
Bend Over!

I wouldn't rape me if I were you, I have butt snails.

Dude, that's sick.
by lazerbrian October 21, 2007
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