dinnerbox
The act of inserting ones testicles into the gaping ravine of an anus, then slowly removing them after anal contraction causing a 'pop' sound
Burger: Hey Mitch, did you give her a dinnerbox?
Mitch: Hell yea dog, that dinnerbox was one hell of a tea party.
Mitch: Hell yea dog, that dinnerbox was one hell of a tea party.