look up any word, like fleek:
 
4.
Pussy eating friend.
Troy, you are my best p.e.f. ever!!!
by Daisy Clover October 06, 2010
 
1.
PEF
Pre Ejaculatory Fluid
I saw your sister and I got a little PEF in my pants
by DeadzeroCustom September 04, 2003
 
2.
PEF
Post Eating Fatigue - the tired feeling experienced after consuming a large amount of food.

Can be used as a noun, verb or adjective
Noun
I have a serious case of the PEF

Verb
I am peffing out mate!!

Adjective
You are looking quite pefly
by kyranc November 01, 2011
 
3.
pef
post ejaculatory fatigue!
R - hey V wanna go out?
V - can't man. Serious case of pef.
by Megadavelover January 21, 2009
 
5.
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 25, 2009