Another week, another round-up of viral videos. This time around, we've got a new music video from Sarah Silverman, an epic spoof of last week's Jean-Claude Van Damme video courtesy of Channing Tatum, a crazy girl who bungee jumped without a harness, a group of men playing "Jingle Bells" with their testicles, and a terrific dog-cat pet trick.

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Previously:

Weekly YouTube Playlist: Van Damme, puppies and lesbian sex


Weekly YouTube Playlist: Creepy dolls and babies on Roombas