A portmanteau of "happening" and "fap", the latter of which in turn is an onomatopoeia for masturbation. Popularized by the 2014 celebrity pictures hacking scandal, or "Celebgate".
The Fappening is the name that’s been given to the gigantic booty of sexts and other steamy photos that leaked all over the internet after first being posted on 4Chan earlier this weekend
The day in which the Great Journey commenced as foretold in the Great Prophecy, in which hundreds of nude pictures of various female celebrities, whose bodies many men have salivated over, were leaked on the Internet. As a result of a leak of such biblical proportions, "The Fappening" commenced, which implies that thousands masturbated to these leaked pictures.
8-31-14, Never Forget The Fappening.
Sam: Dude, remember when all those pics of Kate Upton and JLaw went viral?
August 31st 2014, a day that shall go down in history. On the day of The Fappening ,high amounts of explicit photos of various female celebrities including Jennifer Lawrence and Ariana Grande were leaked. The internet rejoiced.
P1: Dude did you see those leaked nudes of Jennifer Lawrence?
P2: Of course! Who didn't take part in the fappening?