Top Definition
Thrashballs occurs to males who have either A. Not washed their ballsack recently, or B. Have been doing any physical activity in which the ballsack rubs the thighs for an extended period of time, causing an extremely painful, albeit temporary, rash.
I was out jogging today and caught a bad case of Thrashballs. Perhaps I'll take a shower
by alongcoh October 09, 2011

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