Lift Kit

Something you put on your truck to get more chics; When Marty comes back as Mary. Something you get done that lifts the DD's back up to C's.

Boy1: What's going on with John lately?
Boy2: IDK . Why you ask?

Boy1: All the girls are suddenly throwing themselves at him.

Boy3: Well have you seen the lift kit he put on his truck? Chic's dig it.