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.
A gif of Benedict Cumberbatch drinking a cup of tea while the caption "Drinks Tea Angrily" appears. This is from the TV series Parade's End, in which Cumberbatch portrays the character Christopher Tietjens.