Mossin'

To be chilling, doing nothing, just like moss, the commonly known fungus that just chills out on rocks.

Origin is believed to be Pickering, Ontario, Canada, a city that is part of the Greater Toronto Area.
Aldo: What it do, player?

Brianna: You know, just mossin'.
by Aldo Perri January 28, 2008
Get the Mossin' mug.