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2.
EFL
EFL - English as a Foreign Language. Taught to students outside an English-speaking culture, overseas, as opposed to ESL, English as a Second Language, taught to foreign or immigrant students within an English-speaking culture. Subject or program of study, a major or credential qualifying one to teach the subject.
He has a credential in EFL, so he should know what he's doing teaching English to Japanese students.
by Rick Hayhoe June 18, 2006
 
1.
efl
To "efl" is to excreted from laughing.

It has a simmilar type of use to "lmao" or "rofl".

"efl" can be expanded, such as "efl my nefl" which can be used to show you are excreting more than a standard "efl".
Dick: Haha look at that tiny penis!
Harry: efl!
by bennelsworth July 12, 2008
 
3.
EFL
Emo For Life
I failed my biology final and ended up with a D in the class, EFL
by tipsyfo0sayz June 08, 2009
 
4.
EFL
English as a First Language
as opposed to ESL, English as a Second Language

When someone who's native tongue is English has such a poor command of their first language that they are constantly making mistakes that someone who is ESL might make
Fred: I've seen like 5 movies in the last week
Lynn: wow you must have a lot of time in your head
Fred: what?
Lynn: i mean time in your hands
Fred: you mean time ON your hands?
Lynn: oh yeah thats what i meant
Fred: damn you are EFL
by EdibleFarmedLemurs October 17, 2009