Definition of smileniall

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#smileniall is trending because haters are being mean and saying he has horrible teeth, so he has stopped smiling with his mouth open to show off his teeth. People want Niall to smile more and forget them haters so has got #smileniall trending.

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Niall Horan from one direction has got alot of haters that says he's got ugly teeth.

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it was trending because they are some horrible people saying that niall has horrible teeth. This meant that he stopped smiling with his teeth :( so we got it trending to show that we want him to smile with his teeth because they're gorgeous!

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Sunderland fans would like to see Niall Quinn's teeth more often