PTKFGS version of O RLY? Instead of an owl, it is a cat with a silly expression on its face, similar to the owl.
Like O RLY?, it is used in sarcasm or disbelief.
Response to R U
SHUR? is SHUR M SHUR!, which is responded to with
KENT B!
Joe: Boy, there are a lot of Wiitards.
Jack:
R U SHUR?
Jack: Your cat is
on fire.
Joe: R U SHUR?