I read this book by a famous psychiatrist, 'the man who mistook his wife for a hat', who catalogued some really interesting neurological disorders in laymen's terms.
Anyway, he talks about following this lady with seriously severe tourettes. She was wondering down the road, and doing a shocking parody of each person she came across, taking on their characteristics and then mimicking their shock.
She wandered into a side street and 'regurgitated' each personality she had stumbled upon. In reverse order. Bringing the parodied impersonation for a few moments.
I think she then went to sleep in a corner, exhausted by the whole experience.
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But anyway, what i was going to say is that apparently this guys behaviour is just as explained by the fact that he is pissed off his tits a lot of the time, and not just the Tourettes.
these videos are staged and Tourrettes is nothing like that. It is only funny to the "OMG HE CURSES" group of < 14 year olds. Old as the internet and still isn't funny.