A term sometimes used to describe an individual infected with the mononucleosis virus. This term is most commonly used in rural North Dakota and Minnesota.
Person 1: Hey, you wanna go out Monday night for a beer?
Person 2: No. I can't. I'm too depressed that football is over with. Mondays won't be the same again for me until September.
Person 1: You gotta snap outta your fantasy funk, dude.