Car-Bunking 

the act of sleeping in your car when you are too drunk to drive home, usually after a party. Hangovers may occur.

"I was so wasted after Mike's last night that I had to do some car-bunking until I was sober enough to drive home."

Car-Bunking by Tommy ElBlanco May 5, 2010

carbunkling 

A group of friends going booze cruising on back roads

Let’s grab a 6 pack and go carbunkling!

carbunkling by Thatgirlwhodoesstuff May 9, 2021