A mythical beast that is a dinosaur version of jesus christ and also happens to be made of cheese.
OMFG!! the cheesusaurus rex just crushed my car! And he also forgave my sins afterward.
by choppy mctreedown December 30, 2008
The little douche bag yellow dinosaur that is the mascot for Kraft Macaroni and Cheese.
Whoa! look at Cheesusaurus Rex surf on a wave of cheese!!!
by McLuvin39 July 23, 2009