When it comes to videos on the internet, Facebook share + re-tweet + email forward = viral. Thanks to social media, it's easy for something online to become a sensation. But only 5 made our list of must-see viral videos.

  • 5

    Please Move the Deer Crossing

    A woman who has become known as Donna the Deer Lady calls a local radio station in Fargo, North Dakota, complaining that deer crossings are encouraging deer to cross busy roads. "Why are we encouraging deer to cross at the interstate?" she asks. The presenter makes a brief attempt to explain that deer crossing signs are to warn motorists of areas with large deer population, rather than for the benefit of the deer, before giving up and agreeing to publicize her concerns.

  • 4

    Catch the Ice Dude

    This German man jumps dramatically into a frozen pool, not realizing quite how frozen solid it is. The result: Ouch! The hysterical laughter from his friends helped it get 21.3 YouTube viewings.

  • 3

    Isaac's Live Lip-Dub Proposal

    This makes a change from the cheese you might expect from a public marriage proposal, as actor Isaac Lumb organized this choreographed live performance with 60 friends miming to the Bruno Mars song "Marry You." As Lumb wrote in the YouTube blurb: "I told my girlfriend to meet me at my parent's house for dinner. "When she arrived I had stationed my brother to sit her in the back of an open Honda CRV and give her some headphones. He 'wanted to play her a song' ... What she got instead was the world's first Live Lip-Dub Proposal."

  • 2

    Toms River High School East Lip-Dub

    2012 was the year of the lip dub video. This one from Toms River High School East was by far the best. And no, it has nothing to do with the fact that I graduated there in 2001.

  • 1

    %22Gangnum Style%22 - PSY

    2012 has undoubtedly been the year of "Gangnam Style." This video by South Korean rapper Psy became the most-watched YouTube video of all time in November when it surpassed teenage pop star Justin Bieber's 804 million views for "Baby." The rap is named after the pricey Seoul district of Gangnam and features 34-year-old PSY dressed in tuxedo and sunglasses dancing his much-copied galloping-style "horse dance." This video is pacing to hit 1 billion views by the end of 2012!

More From 94.3 The Point