What is Toilet Talker?
1.
a person who can't resist the urge to have a cellphone conversation, despite being in the middle of defecating in a public restroom; commonly found in office buildings.
Coworker 1: "What took you so long in the bathroom?"
Coworker 2: "It was tough to relax with Jane from Accounting blabbering on her cellphone in the next stall. I never knew she was such a toilet talker."
See