EFS

a.k.a. - Extensive Flirting Syndrome

noun. a disease in which the sufferer experiences uncontrollable giggles and a plethora of positive behavior towards a particular target, usually of the opposite sex.
"My bestfriend is suffering from EFS."
by Dominooo May 08, 2006
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effed

by Effed November 08, 2003
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effing

The edited version of the word "fucking." Spelled this way, it is incorrect. The letter "F" is not to be spelled out. See F'n or F'in for correct spelling.
I wish I could use the English language properly, but I keep misspelling a bunch of effing words. I'm effing stupid!
by I'm late for class March 31, 2004
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effing

A new photo craze like planking or horsemanning, where two people form a capital F with their bodies. Person 1 sits on top of Person 2's shoulders with their legs and arms straight out in front of them.
Hey man, planking and horsemanning is so lame...wanna trying effing instead?
by Flansy September 12, 2011
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effing

like saying f**king but more pg
he's so effing dumb
by jesse river ivy November 09, 2018
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ef

slang for f or fail.
ef, efff, eeff
by anon76889 October 05, 2011
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