Top Definition
The GM is always right. No matter the Dice rolls he wins, The GM always wins
Player: W00t! I rolled a crit again! your Dragon is dead in two hits!
Gm: No it isn't.
Player: What? Why not?
Gm: GM Fiat...
Player: damnit!
by Arimmus October 16, 2010
1 Word related to GM Fiat

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.