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 talk-show host Conan O' Brien shaking in anger before he turns into the hulk. You can use this one as a reaction gif whenever you feel that you're about to snap. Conan was born in Brookline, Massachusetts.