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 one guy smacking another guy in the face with a keyboard. As the camera slows down, the keys fly all over the place before momentarily forming together to spell the words "fuck you". This is from the movie Wanted (2008).