The time you wait before dating your friend's ex.
Kid:Hey did you start dating that girl yet?
Friend:no, i have to give some courtesy time.
Kid: oh yeah...she is your best friend's ex and all.
6👍 1👎
also time before dating an ex's friend. Friend also applies to sibling.
Guy1: Did you hook up with Sarah yet?
Guy2: Almost, but it's Liz's sister.
Guy1: Oh yeahhh, sisters. Give it some courtesy time.