One who says or does too many things that are or relate to derps. the word emphasizes how much the person derps that it theoretically amounts to the size of a dinosaur, therefore it is adequate to address the person as a "derpasaurus".
by AuntJemima46 November 23, 2010
Get the Derpasaurus mug.A name coined for the dinosaur that appears at the end of the stage 'Dino Dino Jungle' in Gamecube's "Mario Kart: Double Dash!" The Derpasaurus sticks his face across the bridge as you are karting across.
Player 1: "dude, the derpasaurus rex knocked me off of the bridge!!! "
Player 2: "figures broski, he's crosseyed"
Player 2: "figures broski, he's crosseyed"
by Broviet Russia May 18, 2011
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