hang a BA (at someone)

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

hang a BA

verb
See also: Ba, hang

hang a BA (at someone)

tv. to display one’s buttocks to someone in derision. (A BA is a bare ass.) He went to the window and hung a BA—just for the hell of it.
See also: Ba, hang, someone