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To massage one's own balls and scrotum in a pugnacious manner.
I Hate Jenny, I wish I could beat the meat out of her. I'm just gonna go play Whacky Sack.
by Cow Poly February 03, 2006
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physical disconfort in the scrotum due to excessive masterbation. Most commonly induced by the testicles slamming against the inside of the thighs/groin area for an elongated period of time.
Jeremy: The Pat's chance at a playoff run is ruined!

Isaiah: Why? What happened?

Jeremy: Brady is out 7-9 weeks with whacky sack!

Isaiah: I guess Giselle just isn't doing it for him anymore .
via giphy
by Scoopdevious December 01, 2016
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