when a male's penis and testicles are "hanging low" and cover his butt hole when he is sitting down and or scooching up in his chair.
Man I am having a low hangin' day. I've totaly got a skin cup goin' on!
by Ressaler July 16, 2006
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n: the act of forming a bowl out of your ball skin in the shower, letting it if fill up with water, and then having your significant other drink from the makeshift skin cup of ball water
“Hey babe, can I drink from the Australian Skin Cup tonight?”

“I want to take a sip from the land down under
by Big Gustavo November 21, 2019
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