Definitions by F. Sancho

Faceplant 

1. Being so tired that you are about to pass out from exhaustion. (Insinuates that you will fall asleep instantly upon your head touching the pillow)
2. Tripping and landing on your face.

Addicted WoW Player: "I faceplanted after that raid ended at 4am."

Faceplant by F. Sancho August 11, 2009