EF 

Polite way to say the word "Fuck."

Hey Gary, go ef yourself you dumb mother effer.

Hey Gary, I just effed your girl.

EF by Robbyaga July 20, 2003

EF 

Stands for Erectile Function, anybody who doesn't have ED can have EF, it means you are able to hold an erection without Viagra, Cialis etc.

Guy1:I have ED
Guy2:well that sucks, I have EF
Guy1: Man, I wish I had that.

EF by RAMS57 March 5, 2009

EF 

European language schools organisation. Nobody know's what EF actually means although, having lived in Oxford - an EF stroghold - for a number of years I can only assume it stands for 'Easy Fuck.

Did you see those Italian EF girls getting off the coach? Man, sometimes it's good to live in this shithole wanker-student city!

EF by Miles Pieri January 23, 2004

EF 

EF stands for Epic Fail, something that you may be too.

A: Hey, look, I made a new banner for my forum! Do you want to see it?
B: Ok.
A : So what do you think about it?
B: It's an EF. >_>

EF by CuchiiDealer August 22, 2010

ef 

Simply the letter f(F) to name the letter F \ef\.

"When speaking of the letters written by the cleric, the historian noted the letters aitch and ef were printed heavily"

ef by Timothy JD W January 16, 2008

Ef 

Ef, or Effff, depending on one's level of enthusiasm, is an abreviation for "F.I." which is an abreviation for "Feeling It", typically used to describe being into an experience or a person.

One can also be Triple F.I., or simply Triple.

"How was lunch?"

"I was so ef!"

Or "Did you see that chick? She was so ef!!" "Oh shit, I missed her, she was ef?"
"Ugh, I was triple ef!!"
"Eeeeeehhhhffff!"
"Eeeehhfff!"
"Triple!"

Ef by ImFeelingIt July 30, 2018

ef 

Noun: A reference to almost anything.

Verb: Means to fuck with (not sexually).

This can be used in replace of 'fuck' because it is toned down so as not to offend anyone.

Noun: "Hey ef, we gotta go or we'll be late!"
"Oh ef!"
Verb: :::Me playing in the ocean throwing sandcrabs at Samir::: Samir: "Don't ef with the wildlife!"

ef by darsebendz October 16, 2005