hang a BA

hang a BA (at someone)

rude slang To show one's bare buttocks, as to an unsuspecting audience. "BA" is an abbreviation for "bare ass." Please tell me you didn't hang a BA at the headmaster after graduation.
See also: Ba, hang
Farlex Dictionary of Idioms.

hang a BA

verb
See hang a BA at someone
See also: Ba, hang
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • hang a BA (at someone)
  • hang a BA at someone
  • Ba
  • moon
  • strip to
  • strip to (something)
  • strip down to