EFC

Short for Evil Fucking Cunt.

We have a EFC in the family,she is annoying,overbearing manipulative and controlling.she posts shit on the internet apparently just to piss people off then deletes it and later denies that she said it.

by jethro57 August 6, 2010

efc

Short for Enemy Flag Carrier (enemy who has your flag) in capture the flag matches. Usually with location to inform teammates.

*SGT. MAC HAS CAPTURED BLUE FLAG*
(team)Johnny: EFC tunnel

by Retu May 25, 2005

EFCS

ELECTRICAL FLIGHT CONTROL SYSTEM

EFCS COMPUTER

by GNRS October 11, 2019

EFC

Elite Face Card. Used to describe someome who has a beautiful and attractive face.

Dude that girl Mak has a EFC

by Chiisgeyhel September 17, 2025

EFC

Elite Face Card. A cool way to say someone has a beautiful and highly attractive face.

Damn that girl Mak got a EFC.

by Chiisgeyhel September 17, 2025

Jay EFC

A male on Twitter with alias of Jay EFC, great takes, unimaginably handsome and Everton’s greatest fan.

Did you see that new Jay EFC tweet? Jay EFC >> Fin Kitch

by Everton Goats June 12, 2021