An X-factor introduced into a conversation to enhance a story, based on unsubstaniated information, covering a wide range of possibilities. A practice typical of ex-newspaper people who've made the transition to public relations work. (Pronounced: pee-ee-eff).
It’s possible we’ve got enough to cover the whole thing; depending on the P.E.F., though, we could be way short.
by Aquamanatee7 October 26, 2009