scroll

When you are wearing shorts or jeans,the act of rolling one's scrotum between thumb and forefinger in an effort to relieve an itchy ballbag.
(SCRotum rOLL = SCROLL)

"I had to perform a scroll the other day while riding my bike because my ballbag was so itchy."

or, in Aussie Terms...

"My nutsack was on fire and I had to pull over and perform an emergency scroll."

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