When someone shares too much personal information about someone else's private life when gossiping.
Coworker #1: "Did you hear about Adam?"
Coworker #2: "No, what happened?"
Coworker #1: "He got an STD from a girl he met on Myspace."
Coworker #2: "t.m.i. TMZ - I don't need or want to know that."