A female that will makeout, tease, allow hands on the breasts and crotch, grinding, fondling, and touching, but no penetration. Typically this category of female doesn't consider giving head to actually be sex.
Jim: I went out with Karen last night
Friend: Did you score?
Jim: No, I've got blue balls. She's such a makeout slut.
Friend: Did you score?
Jim: No, I've got blue balls. She's such a makeout slut.
by MrDallasMan February 5, 2008
Get the MakeOut Slutmug. by malar-bee March 7, 2003
Get the makeout slutmug.