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 a game show winner in absolute shock. The guy doesn't know what to do, and is frozen as lights start flashing and streamers fall from the ceiling. This a great reaction for whenever something great unexpectedly happens.