Twitter, the ultimate means of delivering often brain farts in 280 characters or less, occasionally becomes a lot of fun. In this latest edition of "Mean Tweets" on Jimmy Kimmel, celebrities including Chris Rock, Fred Savage, Zendaya, Kim Kardashian, Jon Hamm, Will Farrell, Maisie Williams, Jeff Goldblum, David Spade, Sarah Paulson, and the list goes on - read the mean but sometimes funny tweets random people have posted about them. And sometimes the celebrities reading them have good comebacks. Sometimes they just look like their egos were hurt while trying to think of a good comeback. It also kind of makes you want to think of a good mean tweet you'd like to sling at somebody, right? Enjoy these!