"Hey, Mister, can you-"
(interrupting)"What's up, Dipshit?"
(a pause)"I told you not to call me that."
"I'm sorry, shitstick. I forget sometimes. Like your mom."
"That isn't funny."
"Well no, it wouldn't be. At least, not to you."
(clearly agitated)"Well, screw you, Mister!"(storms off)

Another job avoided by the power of the Personal Insult! Whee!