Lady Pretends to Talk with Customer and Swears Loudly

My heart still races every time I watch this. Submitter records herself set camera and pretends to talk with a customer on call with her boss around, shouting at it as she looks at her boss and catches her attention after she pause for a while. She then turns around then shouts and swears loudly; her boss rushing towards her to pick her earphones up and tells her to get up