refers to an obsession over someone your not dating with G in there first name. ex. Grace, Gregg, George, etc. Symptoms include: Obssesion, Various pictures of person, Previous symptom and the inclusion of hearts when the picture is labeled, talking about them to there friends all the time , wearing clothing with there name on it(sports jackets and such), and suddenly hanging out with G person's friends.
"why is Sarah hanging around with Gregg's friend's so much"
"Ain't it obvious? She's got G fever"
by ZTO May 21, 2007
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