tbt

For months after this video came out, you could hear someone singing "Your Genitalia" throughout the office. Comedian Jon Lajoie claimed internet viral glory with this one. Take a listen but be warned, it will be stuck in your head all day!

Jumping back to 2010 we have the 'Bed Intruder Song" which was the most viewed video on YouTube that year. Originating from a news report in Alabama, auto-tune and the Gregory Brothers turned this into an internet sensation. It also went on to sell several thousand copies on iTunes.