They have been known to analyze flush frequency in bathroom stalls.
Customer: "who's the clipboarder behind you?"
Sam: "I don't know but she handed me toilet paper when I went to the ladies room earlier."
Customer: "My stuff ready?"
Tracey: "If I ain't done no stuff then this frock wearing Clipboarding Ho behind me to blame for harassing my brain waves with her mofo Kreskin stare down back-a-my-head, you know what I'm saying Mr. #68?"
Customer: "I'm #69. "
Tracey: "Get back in line!"