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 Spy from Team Fortress 2 saying "Congratulations. You're a failure." This is from the first-person shooter multiplayer video game Team Fortress 2, which allows players to select different characters. The character that he is speaking to is called Scout.