Googleitus is a syndrome of excessive visits to Google and its servives. Sufferers find themselves constantly refreshing their GMail window and frequently checking their Google Reader and Google Calendar just incase something has happened.
This can vary in it serverity from a few clicks per day to many clicks per hour.
Variations exist such as Flickritus, Breakitus, ebayitus
User1: What are you doin mate?
User2: Just checking my GMail again!
User1: AGAIN? Thats like the 100th time today?
User2: Its more than that I think!
User1: I think you have Googleitus