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 Freaks and Geeks character Bill Haverchuck showing his friends "how to dance sexy". This was from the Freaks and Geeks episode "Noshing and Moshing", which was S01E15. Bill was portrayed by Santa Monica actor Martin Starr.