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 Dale from Step Brothers punching a whole bunch of children. Dale is a character played by John C. Reilly. The movie (2008) is about two middle aged me that are still reliant on their respective parents.