In celebration of YouTube’s fifth anniversary, we thought we’d present you with classic comedy clips from the site all week. Today’s is … LEEROY JENKINS! Yes, this was all set up, but it’s still hilarious, and it has made it’s way into pop culture. Not safe for work due to language.

Coca-Cola apparently set up a fake machine in the common area of a university and decided it would dispense “happiness” to people. As you watch the video, think of one thing: people don’t know what is going on, and yet they seem to think it’s awesome when the fake machine apparently goes nuts and just keeps giving them Cokes. You don’t know what’s going on, but everyone seems more than happy to run off with Coca-Cola products they didn’t pay for. It fits in perfectly with the promotion, but kind of an amusing loo at how people would react to such a situation.

[via The Inquisitr]

Matthew Weathers, a professor at Biola University, decided to have a little fun with his Nature of Math class on April Fool’s Day. Quite amusing.

[hat tip to The Inquisitr]

Apparently Ben Folds is really enjoying doing these Chatroulette ode to Merton moments in his concerts. He’s back with a second one (mildly not safe for work due to language) and it’s just as funny as the first one.  You have to wonder what goes through the heads of these people when they see this pop up on their screens.

I have to admit that the whole Justin Bieber craziness is lost on me, but then again, I’m not a teenage girl. However, for April Fool’s Day, Funny or Die teamed up with the pint-sized singer to announce that he had bout the Web site and changed its name to “Bieber or Die.” Honestly, this whole video is worth it just to hear him say “lady lumps.” Mildly not safe for work due to language.

Merton is back with the second installment of him freestyling in real-time with random strangers on Chatroulette. The first installment ended up inspiring Ben Folds to do his own version in concert recently.  Will installment #2 inspire even more impersonators?  Not safe for work due to some mild language.

Quentin Tarantino is known for being an off-kilter fellow himself, and apparently he likes to surround himself with similar people. This video from the set of Inglorious Basterds focuses on the woman responsible for the clapper board that has been a mainstay of film making from its earliest days. Apparently she didn’t believe in just naming off the scene and take, but had to constantly embellish it with little comments, much to the amusement to the cast and crew. (not safe for work due to language)

Singer-songwriter Ben Folds decided to get in on the whole Chatroulette craze, but he took the angle of doing it while in front of a crowd of 2,000 fans. Taking his cue from Metron, who did the hilarious Chatroulette Funny Piano Improv #1 video, Mr. Folds donned a hoodie, and played improv piano songs to the people he found on the site.  Mildly not safe for work due to language … but at least they edited out the penises.