kirkbrew
An empty beer container such as a can, keg, or bottle, replaced with urine created by the consumption of beer.
JMan: Now that we've emptied the keg of brew, let's make kirkbrew.
Shmokin: That sounds like a good idea! I'll stick my pee pee in the tap first!
Shmokin: That sounds like a good idea! I'll stick my pee pee in the tap first!