When guys go outside late at night and piss on the streets all over the place in various patterns and then in the morning go and laugh at the pattern you created.
Rog: Lets go look at the damage!

Phil: OH you mean the Snail Trails we made last night?

Rog: Yeah I think I spellt my name!

by Phil Nikumson December 8, 2006
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When a male ejaculates into a female/male's ass, then they proceed to drag their sphincter across the ground (like a dog with ass worms) leaving behind a trail of shit and cum.
Bro, after I fucked that girl in the ass she left a dirty snail trail in my house
by Tow Truck Bobby July 3, 2017
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debris line left at bottom of toilet after taking a crap
After flushing I noticed my terd left a snail trail.
by madman187 April 27, 2007
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a trail left on the foil after freebasing oxy or black tar
my snail trail is longer than yours.
by katinka. September 8, 2009
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After having long vigerous sex with a girl from behind one's testicals at most times become coated with the womans juices, the man then pushes the girl flat onto the bed then drags his balls from her ass to the back of her neck leaving a slimy trail.
after pounding eustice's vag from behind now after several hours, larry realiseing that his nuts are drenched in her snatch slime he forced eustice flat on the bed and gave her a good ol " mail Snail Trail "
by Saulsmin March 16, 2008
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When a male soaks his testicles in a glass of warm water (or milk) and then proceeds to drag said testicles across an unsuspecting victims forehead.
Did you hear about Cody? He was an unsuspecting victim of a male snail trail last night.
by iPlayInTraffic November 13, 2010
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After you blow a load on your partner, quietly dust them in glitter, blow off the additional not in the load zone. What left is a sparkling snail trail.
Last night I was banging on this skank from the bar and i left a sparkling snail trail on her back.
by capt.a October 14, 2010
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