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 a dog floating around in space with the text "I have no idea what I'm doing" layered over it. This is typically used to express how people feel when they start a new job or hobby.