(slang, somewhat, vulgar) A beauty treatment for men in which hair is removed from the back, from between the buttocks (crack) and from the scrotum (sack).
(slang, somewhat, vulgar) A beauty treatment for men in which hair is removed from the back, from between the buttocks (crack) and from the scrotum (sack).
Add your own interpretation of "back, crack and sack".
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(slang, vulgar) The back of the testicles.
Crude slang for the scrotum or testicles. It's exactly what it sounds like — a blunt, jokey anatomical nickname that leans into the absurdity of human biology. Like most slang in this territory, it's used for comic effect rather than genuine vulgarity, popping up in locker-room banter, crude comedy, and the kind of conversation that makes everyone groan and laugh at the same time.
(slang, somewhat, vulgar) The space between the buttocks.
North American vulgar slang for the gluteal cleft — the vertical groove between the buttocks. Used both in literal anatomical contexts (usually disparagingly, e.g. a tradesperson's exposed lower back) and in figurative expressions of very early time, as in 'ass crack of dawn'. That particular idiom intensifies 'crack of dawn' for comic effect, emphasising an ungodly hour. The term is blunt and informal, common in everyday American speech despite its vulgarity.