Yawns are also a good way to know if someone is checking you out! RT @mashable: The World's Most Contagious Prankhttp://on.mash.to/12M9ezl
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@mashable thanks so much for the love!Thanks. Twitter will use this to make your timeline better. UndoUndo
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@mashable thanks for sharing our yawn video with the world today! We love ya!!Thanks. Twitter will use this to make your timeline better. UndoUndo
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RT
@mashable The World's Most Contagious Prank [VIDEO] http://on.mash.to/12M9ezlThanks. Twitter will use this to make your timeline better. UndoUndo
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@mashable I literally yawned two times watching that video :)Thanks. Twitter will use this to make your timeline better. UndoUndo
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“
@mashable: The World's Most Contagious Prank [VIDEO] http://on.mash.to/12M9ezl ” awesomeThanks. Twitter will use this to make your timeline better. UndoUndo
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Too funny! RT
@mashable The World's Most Contagious Prank [VIDEO] http://on.mash.to/12M9ezlThanks. Twitter will use this to make your timeline better. UndoUndo
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“
@mashable: The World's Most Contagious Prank [VIDEO] http://on.mash.to/12M9ezl ” almost.....had to fight itThanks. Twitter will use this to make your timeline better. UndoUndo
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