Top Definition
When a male or shemale is able to pull the skin of their ballsack, or scrotum, all the way over the glutus maximus or, anus, and defecate in it.
man 1: Hey, you ever performed a dirty ballsack
man 2: Yes. Last night. it was diarrheay
#dirty #ball #sack #scrotum #nutsack
by mekka4lyfe July 12, 2008
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