Top definition
A hybrid word made up of tank and tyrannasaurus rex, used to describe something with capabilities of both in the areas of strength and speed.
Ben: Whoa Clay just rolled that Viper over like 50 times! Your Ford GT is a Tankasaurus Rex!

Clay: Oh ya?
by shiftyclaybob September 16, 2009
Get the mug
Get a Tankasaurus Rex mug for your daughter Riley.