A fork of Rural Dictionary
Coke or cocaine in powder form. The color of the substance resembles that of Gandalf's outfit after his transformation from grey to white.
Sam: I was up all night. I might have to take a nap after breakfast. Bil: No dude, just take a hit of gandalf and you'll be able to at least make it through second breakfast, elevensies, luncheon, and afternoon tea. Pip: You shall not pass out.