To drink so hard during the pre-gaming session you can't make it to the club.
Sorry Trista, I need to pre-bail on going out tonight because I drank to much.
To set up an escape route for an upcoming event or function that you're not sure if you'd like to attend, but don't want to rule out completely.
I had to pre bail on my grandma's birthday party and told my mom I had a headache in case I can score a ticket to see Death Cab.
a sum of money given to a cop at the moment of arrest in exchange for a pardon.
"All I had was 1 dollar worth of prebail. I never had a chance convincing that cop to let me go."