1 definition by Dominooo
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.
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 8, 2006