Meaning

1 senses
  1. (Canada, US, euphemistic, slang)Buttocks.

Origin

From back + butt. A retronym-like formation made as a counterpart to the euphemism front b

From back + butt. A retronym-like formation made as a counterpart to the euphemism front butt (“vagina”).

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back-butt — meaning, examples, forms, synonyms | Krumeto