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
(team)Johnny: EFC tunnel
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.
EFCS
ELECTRICAL FLIGHT CONTROL SYSTEM
EFCS COMPUTER
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