1.n In a public toilet, hovering over the toilet seat so your ass doesn't have to touch the seat
2.v To plan
3. n Essentially the leader of a football team who throws the ball and calls the plays
1. Man that toilet was so fucking nasty I had to quarterback it
2. Shit man, we need to quarterback our night or else we're gonna be stuck here at home.
3. Man Donovan McNabb let us Eagles fans down in the superbowl. Fuck that quarterback