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 guy in a cardboard box harassing somebody on a park bench. When the person gets annoyed and responds, he rips off the box, only to find that there is another box beneath. Hence the text "Inception Box".