"Things one is not wise to say to a T-Rex"

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Now Grrr spent years in Cali, as T-Rex go Grrr is "mellow".
Still there are limits.
There was a nasty human called "Rocko." who moved in across the street in Dino town from Dr H.  When Rocko moved in he turned his garage into a low rent music room. Rocko got some amps a set of drums, he did not bother with sound proofing  and proceeded to annoy his neighbors.
Dr. H, the kindly old Hadrosaur, went over to speak to Rocko after one 12 hour "concert."
Once, Rocko was sure that Dr. H was a grass eater, he told him to "Bug off...dino breath...bite me." Seeking advice, the next day at work in the Wellness Center Dr.H  asked Grrr his opinion as they sat over lunch. "let me have a word with him." said Grrr.
Next time the "concert " went a bit long, Grrr went over for a neighborly chat.
Knocking on Rocko's garage door with his mighty tail, Grrr got no answer, just louder and louder very bad drumming.
So, being Grrr, he knocked a bit harder...the door shook. 
"&&(*((&*  dino breath, I told you to bug off...If I have to come out there you little leaf eating))(*^%$." 
Screamed Rocko 
Grrr  just knocked harder.
The garage opened with a bang, and Rocko came out with a stick in his hand.
"Bite me dino breath" he yelled.
 When  he saw not a harmless old Hadrosaur, but a very large t-rex. He turned a sickly white. 
"What did you just say?" asked Grrr with an evil T- Rex grin.
"I...I...I said bite...bite me..." replied Rocko.
"Ok" said Grrr and he did.