The suffering one experiences after spending hours in front of a computer watching YouTube videos.
A: Ughhh, I've got a headache.
T: Why, what's wrong?
A: I came down with Youtuberculosis today. I just couldn't stop watching videos online last night, and it kept me up.
T: Is that contagious?
by Amanda Dorsch October 24, 2007
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A condition that arises when one spends a large amount of time bumming around on YouTube. This implies randomly looking for videos and wasting time rather than trying to find something or doing something useful.
Joe: Damn, what happened to Chris? I heard he got a bad case of YouTuberculosis and watched videos about trampoline accidents for three hours yesterday?

Dan: I know, he didn't want to go to the bar and watch the game because he was on YouTube!
by AnotherAnonymous June 8, 2007
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A YouTuber so desperate for likes and subs. Symptoms include the patient beginning to say to like the video before it has even f***ing started, reminding the audience during the video to like and subscribe and they will do better. Many YouTubers suffer from this sickness.
desperateannoying
Many YouTubers suffer from YouTuberculosis, it is a common disease.
by Ryuko Matoi's Dictionary May 15, 2019
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