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1.
Adjective: An extended snail trail that extends right around the gooch and up the arse crack where it the ascends up the back resulting in a curved scorpion tail formation.
Dude 1: Dude my snail trail is out of control, right up my back.

Dude 2: Mate you've got yourself a scorpion tail right there.
by Aspongeinmauve January 16, 2011