pop tart noun2 •A toaster pastry.Carl Kasell will come to their house and cook his signature dish, breakfast à la Edwards, which is two pop tarts and a Benson and Hedges. — 2000 •(informal, disapproving) A female pop music performer famed more for her sexuality than for her music.After much effort, she was able to overcome the pop tart label and be taken seriously as a musician. formsPop Tarts · pop tarts · pop-tarts