The act of analingus of two partners simulataneously... i.e. instead of going for the odd fellow and/or the old meat curtains, the rusty sherrif's badges are targetted.
Brody: "I wanna eat your butt."
Bruce: "No I wanna eat yours!"
Brody: "Let's salad 69 each other!"
slrrp slrrp slrrp ZWOOORRRNNNT!