When the chickens come home to roost. I.E When the weak hands from Shitcoins in Crypto get shaken out into a stable decentralized ecosystem.
Trader 1: Damn it Bitcoin Cash! Why didn't you moon? The market Cap is sinking!
Trader 2: See, we told you the flappening is happening.
Trader 1: Damn Bitcoin Fork isn't up to par, Ill just stick with BTC/LTC/ETH.