1. Microwaving an already toastered pastry, such as a Toaster Strudel or Pop Tart.
1. Someone who has had sex so many times, they have transcended "tart".
2. Any object that has been retarted.
Your mom is such a retart.
I'm gonna eat this retart, and like it too!
Dave: dont you mean retard? you retard.
Jon: no wtf is retard? its retart.
1. a person, place, thing that has been tarted (made flamboyant and whore-ish) not once but 2 or more times.
2. a reheated pastry
3. retarded spelling of the word retard