Top Definition
The sudden sharp, piercing itching sensation a man gets in his scrotum. Often completely debilitating, the itch must be scratched almost immediately to avoid injury.
I was in the grocery store with my wife when I got an attack of Acute Scrotal Itch (A.S.I.). The aisle was crowded so I had to duck behind my wife to get to it.
by sobonate June 04, 2012

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