What is Haul Ass?
1.
To move extremely quickly, to move at an expeditious rate. Primarily American, generally southern.
Man, that guy's Z28 really hauls ass!
2.
To move much quicker than the normal pace
General: How far is Delta Company from the crash site?
Soldier: 8 blocks, sir.
General: We need to haul ass!
3.
To relocate a donkey by means of vehiclular transportation.
Boy, those F-150's ain't so fast, but they can sure haul ass!
See
4.
to suck, to be not good, to be bad or against your will, unfair
Damn! This hauls ass!