10) "You find a Light Saber of the Dark Jedi +2 against Luke Skywalker's hand."
9) "Ok, you all failed to spot that red dragon flying over your heads." *shocked exprestions on the faces of the players* "Oops, did I say that out loud?"
8) Of course you can build a hang glider out of your tent. I know i know, you're not a gnome, but i'm sure you've seen em before, right?
7) "Don't waste your time checking for traps, I didn't place any."
6) "No, please. Play with my miniatures. Rub the paint off as they wrestle - it's more realistic that way!"
5) "Hmm, that trap killed your rogue. Not while im the DM it didnt!"
4) "You just rolled another natural 20? I can't see your roll... but that's okay, I trust you!"
3) "Yes! Overthrow me, players! I am a crappy DM!"
2) You don't want to rescue the maiden from the evil knight? Oh, no problem, I have PLENTY of other things for you to do! -
1) "Don't worry about killing some of the most important NPCs in the campaign, I'll just roll up some new, even better characters."