tart means: Baked pastry that is sweet or savory and has no crust. (in Cooking Dictionary)

What else does tart mean?

This pastry shell has a flat bottom, with no top crust and can be filled with any one of the many fillings. (in Merlin Dictionary)

A woman who is sexually promiscuous. (in Merlin Dictionary)

Dress up in an extravagant, tawdry way to make yourself or your friends look fancy. Commonly used in conjunction with up. (in Merlin Dictionary)

A sharp, pungent flavor; sour. synonym : sour . (in Merlin Dictionary)

Cutting. (in Merlin Dictionary)