The greasy slime left on a bar stool from a naked or pantyless occupant.
Kenny: Angi is hot for you.
Larry: How can you tell?
Kenny: She left a trail of snail butter all over her seat.
by indho March 22, 2009
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The tiny dingleberry after you wipe that just wont leave, but leaves a trail.

Ex. "Sometimes when I wipe, I'll wipe and i'll wipe and i'll wipe, a hundred times. Still poop . Still poop. It's like i'm wiping a marker or something." - Andy;The Office
Dammit Tom, I keep wiping but I swear I have a peanut butter snail down there!
by Clam_Jam February 18, 2016
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