A person who is born in May. A May baby!
Girl: When is your birthday?
Guy: May 21st!
Girl: oh you are a maybe!
Guy: a what?
Girl" A May baby!
A person who on certain days looks hot and others does not causing you to be unsure.
Girl 1: Check out that hottie!
Girl 2: Wow he didn't look that hot yesterday!
Girl 1: Hmm, maybe its his shirt?
Girl 2: I guess he's a Maybe