When a man hires a woman as an assistant, intern, etc. so she will do anything and anywhere with him for money.
Co-worker 1: Did you hear? Apparently the new girl is boss' new business mistress.
Co-worker 2: Well, can you blame him? She looks like she would be a awesome playmate.
Co-worker 2: Well, can you blame him? She looks like she would be a awesome playmate.
by Kimmay February 11, 2013
Get the business mistressmug.