Definitions by Aldo Perri

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'.

Mossin' by Aldo Perri January 11, 2009