Originally heard in Broken Lizard's Beerfest, assuming to mean Zoojob which includes both partners breaking into a zoo late at night and having a threesome with whichever animal is in the first pen they can unlock.
by NastyNedNutski May 10, 2019

Friend 1: Please fuck me!
Friend 2 turns Friend 1 upside down and puts dick in mouth
Friend 2: Give me a ZJ right now
Friend 2 touches Friend 1s tonsil with their dick
Friend 2 turns Friend 1 upside down and puts dick in mouth
Friend 2: Give me a ZJ right now
Friend 2 touches Friend 1s tonsil with their dick
by Nicksqug July 9, 2021
