Short for Enemy Flag Carrier (enemy who has your flag) in capture the flag matches. Usually with location to inform teammates.
by Retu May 23, 2005
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
A male on Twitter with alias of Jay EFC, great takes, unimaginably handsome and Everton’s greatest fan.
by Everton Goats June 12, 2021