a notch on (someone's) bedpost(redirected from notches on their bedposts)
a notch on (someone's) bedpost
A casual sexual partner, especially a one-night stand, counted as a tally in the overall number of someone's sexual partners. Janet was never interested in a serious boyfriend during college; she was only looking for notches on her bedpost. So is that all I am to you, John? A notch on your bedpost?