When a woman where's no underwear. Referring to the silver "snail trail" she will leave on places she sits.

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)

When someone busts a nut in your bum and shortly afterwards you drag your cheeks along the floor leaving a slivery trail. Like a snail

Having some semen on the tip of your penis and dragging it across an individual's face in a trail like matter.

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..

Also known as "cumstacking" but specifically between women instead of men.