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This is part of a YouTube video from America's Got Talent. What does the presenter mean by saying "Just don't touch!"

closed as off-topic by FumbleFingers, jimm101, Dan Bron, Edwin Ashworth, Scott Oct 14 '16 at 22:51

  • This question does not appear to be about English language and usage within the scope defined in the help center.
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    I'm voting to close this question as off-topic because it's such a context-specific usage it's completely irrelevant to the normal use of English. – FumbleFingers Oct 13 '16 at 16:28

According to @deadrat....:

The person doing the introduction is comedian Howie Mandel, who's gone public about his OCD and mysophobia (fear of contamination), which make him avoid casual touching like shaking hands. So he's gently making fun of his affliction.

So it's sort of a joke about his own medical condition.

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