Enjoyment Prevention Officer. Usually used to describe a woman that guilts, nags or otherwise prevents her boyfriend/husband from having a good time with his friends.
Bob: "Sorry guys. Gotta leave. Nancy wants to go home now."
Guys: "Aw, Nancy we were just starting to have fun! Why do you have to be such an E.P.O.?"
Guys: "Aw, Nancy we were just starting to have fun! Why do you have to be such an E.P.O.?"
by AprilRain May 13, 2010