Dancing exists in virtually every massively multiplayer online game, but very few of those dances render you invincible. Before a recent update in "Star Wars: The Old Republic," if you typed in "/getdown," your character would start shaking his or her thang. And the dancing served as a much needed break from galactic war: It interrupted any attacks being made against you.
As you can see in the video above, this let players attack, dance, attack, dance. I expect if I was fighting someone in the real world and they broke into a dance routine I'd have to pause for a moment too.
Most MMOs and even single-player games have a few bugs at launch (just ask "Red Dead Redemption"). Still, this has to be one of the funniest ones. Despite rumors, no one has been banned for using the exploit. Thanks to Rock, Paper, Shotgun for the heads-up!
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