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The portion of the scrotum near the ass-ball-connection, most commonly used for hand warmth.
Man, today it was so cold I had to use my under ball to warm up my fingers.
by Cee Tee November 16, 2010
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Apr 22 Word of the Day
When you eat dirt for the first time and leave your family to build a shack in the woods
Bro since I got dirtpilled on Tuesday I have made sooo many worm friends and made them soo many little houses to get married in. Me? Lonely? No you’re the lonely one u lawn owning freak
via giphy
by ecogoth December 30, 2020
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2
The area between the base of the scrotum and the anus. (informal) taint. Coined as a play on the compound word underarm.
That girl has the face of Mama Cass, the body of Mama Cass, and the hair of my underballs. I'll pass.
by Throbbing Monster February 09, 2009
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