The idea that all your anger would be resolved if you can choke said person hard enough to get aggression out, but light enough to where the individual still lives. A choke sesh is necessary to put bitches in their place. A choke sesh is usually a fantasy women have regarding men who are little bitches.
To leave, bust out, split, or otherwise vacate the premises.
Ref: In aviation, chocks are blocks placed under a plane's wheels to prevent its rolling away when parked. Hence, to "pull chocks" is to remove said blocks, allowing the aircraft to taxi to the runway and take off.
1: Hey dude this place is dead - whaddya say we pull chocks and try somewhere else?
2: Well fellas, it's getting late, so I think I'm about ready to pull chocks.