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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
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Aug 11 Word of the Day
A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.
"My boyfriend has a total case of brain worms. He told me the cat was bugged so the Feds could listen in on us having sex..."

or

"You totally stumbled over that entire sentence. Can't speak English all of a sudden? What, do you have brain worms?"
by _Jez_ October 03, 2009
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2
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
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3
I failed my biology final and ended up with a D in the class, EFL
by tipsyfo0sayz June 08, 2009
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4
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
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5
Efls is the MOST known Critical Ops clan, founded by Alcantre.
Nice efls
by ewqeqweq November 04, 2020
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6
Efls türkiyenin en iyi C-ops klanıdır, Alcantre tarafından bulunmuştur.
by ewqeqweq November 04, 2020
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