Meme Origin: Great Britain's Mo Farah celebrates winning the 10,000 meters at the 2012 London Olympics.

Every four years, the Summer Olympics provides its share of indelible moments that come to represent the games as a whole. When Great Britain's Mo Farah became the first Brit ever to win the 10,000 meter dash, his wide-eyed celebration became one such image. Naturally, since his joy also looks astoundingly like fear, he became an overnight meme sensation. He could be running from dinosaurs, bears, or even Teletubbies; whatever it is, Mo is always fleeing in terror.