A way of insulting someone by tricking them into asking about someone called Urie. Sounds like you're retarded. Similar to Joe Mama.
Person 1: Hey do you know Urie?
Person 2: No, who's Urie?
Person 1: Urie Tarded!
Person 2: *Goes and cries in a corner*
I'm so fucking bored. So I decided to say this. It is fun to say.
Me: Mahamalamajamalama.
Me: Hey that was fun!