slang The opportunity to see all or some of one's (usually a woman's) naked body, typically because it has been accidentally exposed. My blouse slipped down, and I ended up giving that cute guy at the bank a free show—how mortifying!I quickly wrapped the towel around me so that I didn't give any passersby a free show.
free show
n. a peek at a private part of someone’s body, usually a woman. Martin looked like the type who was always waiting for a free show that was never to be.