Gif Central boasts hundreds of funny animated gifs. Only the best of the best make it onto this site, with most of them having an accompanying source. No tumblr-esque one-second-long disappointments. No obscure titles or descriptions.
This is an animated gif of Judge Judy opening a laptop before quickly closing it again. The look of disgust on her face makes it a brilliant reaction gif for whenever you come across something on the Internet that you didn't particularly like.