When a
guy and a girl are in a
relationship, and the
guy wants to have a girl on the side. The girl is referred to as a bombshell.
Guy: “hey girl come to my
house”
Girl: “ Don't u have a girl friend?”
Guy:“ yeah so...?”
Girl: so I'm not trying to be the bombshell in ur relationship!
(This term refers to Bombshell McGee)