Top Definition
Yennarawrasaur is an annoying dino, that keeps rawring and being mad and smashes everything and says hello alot.
Person 1: "Look, watch out!"

Person 2: "What?"

Person 1: "It's Yennarawrasaur! It's rawring and merping"

Yennarawrasaur: "MERPPPPP!" *Smashy*
by Merp-girl March 16, 2012
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