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 Irvine, California actor Will Ferrell shouting "I feel like I'm taking crazy pills!" This is from the movie Zoolander (2001), where Ferrell portrayed fashion mogul Jacobim Mugatu.