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1.
An illness pertaining to and/or restricted to Grobanites.

Characterized by sudden twitching and obbsessive listening to music by Josh Groban. Grobanitis becomes a serious problem and is also known as "Josh-Deprovation"

See Grobanite
I think I'm gettin' Grobanitis! I haven't heard Josh in three hours!
by Jel-kaj January 22, 2004