Top Definition
Quickly from Erect to Flaccid. Usually expressed upon realising something (or someone) unappealing proceeding sexual arousal.
Man, that Stacey chick looked hot from behind but I went QEF when she turned around.
by eddandant August 24, 2009
Quod erat faciendum
that which was required to be done: QEF
by Quirk Evinced Fairly January 25, 2013

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.