effer 

A variant of "fucker" used on Canadian television, primarily "Royal Canadian Air Farce". Pre-teens have been known to use it when quoting, should the term "fucker" come up in the quotation.

"Pig effer!"

effer by Bowman June 16, 2002

effer 

mother fucker; bitch/son of a bitch.

An insult.

What an effer.

Yeah. Bitchy like hell.

effer by frinzee July 18, 2010

effer 

Someone who owns you, especially in Counter-Strike, Starcraft, and Reversi.

"Wow that guy sure was an effer!"

"Naw, he wasnt THAT good..."

"Ya, your right, what a scrub."

effer by First2die March 8, 2003

Effer 

A cuss word that starts with E, it could also be effing or eff, if people say no cuss word starts with E, show them this

That Mother Effer, Why am I so Effing Stupid

Effer by I_Eff_Your_Mom July 17, 2023

[Effer] 

FUCKER!
(F-er!)

B1: I stole your girlfriend, B2.
B2: You Effer! Give her back!
B1: She's effin' hot, and so I won't, Effer.

[Effer] by SweeetHamm January 4, 2009

m-effer 

Short for mother fucker. You usually say it whenever off color language is not preferred.

Man, that roller coaster ride was an m-effer!!

m-effer by Danbridge October 11, 2006

emmer effer 

Emmer Effer is the phrase used when it is not appropriate to say mother fucker. It is most likely used when something you do goes wrong or describing someone who is one crazy emmer effer.

Person #1: Did you see that girl do a keg stand for a whole minute?
Person #2: Hell yeah she is one crazy emmer effer!!
OR....
Person #1: Are you ready for the test today?
Person #2: Emmer Effer!!! I forgot all about that.

emmer effer by ttirby February 14, 2010