(slang, somewhat, vulgar) The space between the buttocks.
(slang, somewhat, vulgar) The space between the buttocks.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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(US, mildly, _, vulgar, slang) The gluteal cleft.
(US, informal, slang) The gluteal cleft.
American informal slang for the gluteal cleft — the vertical crease between the two buttocks. It's a universal, deeply unsexy term that appears in complaints about low-rise jeans, plumbing jokes, and any situation where someone's backside is more visible than intended. Buttcrack is one of those words that exists primarily to make people groan or giggle, and it does its job faithfully every time.
The American slang term for the gluteal cleft — the vertical groove between the buttocks. It's casual and mildly crass but widely understood across age groups, appearing in everything from kids' schoolyard teasing to adult comedy. The term is most often invoked when someone's pants ride low enough to expose this area, which has spawned countless jokes and even a few viral moments. "Butt crack of dawn" is a playful extension of the term used to describe an unreasonably early morning hour.