1. alcohol, especially illicit liquor
Stay away from the white stuff. You don't know what it'll do to you.
by The Return of Light Joker August 06, 2010
When a man ejaculates, the white stuff comes out.
by Bed time June 15, 2010
Snow. Precipitation in the form of small ice crystals.
According to the weather forecast we'll be getting plenty of the white stuff tomorrow.
by Arschlöchli October 14, 2006
The White Stuff is in the middle of an Oreo, baby!
"In the middle of an Oreo, the White Stuff!" - Weird al Yankovic
by Mike Clemson October 15, 2006