Country Dictionary

You-tard

In the farewell stage of an exchange of greetings and/or pleasantries, a 'you-tard' occurs when one party replies "you too!" when it does not apply.

Waiter says "Enjoy your meal" , you reply " you, too! A you-tard has occurred.

you have tard

"you have tard" is said when ever some one says something stupid, saying "you have tard" means that you are retarded.
works best against normies

Jack- Ur mom is homosexual
Marcel- you have tard
Jack- *Fucking melts into water and flesh*