Four hands guitar has a new challenger: indie rock band Walk Off The Earth. The five band members used one acoustic guitar to cover Gotye's Somebody That I Used to Know.

What's more fun-troversial than "S**t Girls Say" cliches? This music video about a huge group of girls' night out by comedy sketch group Last Call Cleveland.

Note: NSFW Language

Earlier this week, Rick Santorum lost the Iowa Caucus by 9 votes. This video shows you what happened to those nine people that were about to vote for him.

YouTuber FrankTwitchy gets down with his Grandma while performing this lib dub in sync with Tyga's "Rack City."

All of the internet's best cats have been compiled into this video. Think any key videos are missing? Upload them to the Cats video gallery!