A fusty slut. Fustey being
fucking busted (get it?). Her Muffin
shop is always open, therefore being easily impregnated. Derivitive of the term "having a bun in the oven"
They usually have no standards.
That bitch is such an easy bake
oven, she'll fuck anyone that shows interest.
The man was distraught to find out his
wife is an easy bake oven, after the paternity tests.