Sack Beat
When one reaches down low and grabs their testicles, swings them in an upward motion over the shoulder, apply a new grip and brings them down to another individual's face, forehead, chin, neck or even the crown of the head.
Manuel got sack beat for popping that lip.
Sack Beat
a Spoonerism of "back seat", referring to the act of "back seat gaming"
Twitch streamer: any sack beaters in the chat?