Having some semen on the tip of your penis and dragging it across an individual's face in a trail like matter.
by Snail Trailer November 28, 2011

the act of using the hand/forearm to rid the nose of running snot leaving a glistening path hence the name "snail trail". the trail usually begins on or near the index finger and runs at least half way up the forearm.
"I didn't have a Kleenex, so I just...snail trailed my snot and hoped that it was gone before i got to my elbow.
by nero11 February 12, 2008

In the dorms its used to refer to the trail from door to door that a promiscuous girl/women leaves behind as she makes her rounds.
by Ya Fahva November 5, 2006

Those really annoying people who, when you're cycling, don't overtake but drive behind you for ages really slowly and menacingly! Mainly old people. Could also apply to high-school stalkers..
"This guy was snail-trailing me"
by Myv November 11, 2008

When a girl sits on a on top of a guy and rubs upwards leaving a Snail Trail on the guys stomach or male sexual organ
by Well educated male June 21, 2020

by DiarrheaDan August 23, 2019

by Spazzzmonkey July 12, 2016
