'Rawrk' is the sound made by an excited velociraptor. Sometimes humans also use this sound to convey a similar feeling of enthusiastic elation.
Steve -- Look at all those fat, sleeping Cretaceous proto-mammals!

Sammy -- Rawrk!
by nerf techies June 19, 2014
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its just a slang way to spell rocks =

just like rox

basically meaning ace and love it..
* kat rawrks my world *

*chocolate rawrks*
by khat ;-) April 20, 2008
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