1 definition by jen nishimura

Top Definition
is the rapidly spreading disese that makes one addicted to muffins..worse than any type of drug. Muffintitus can make you bankrupt from spending all your money on muffins. Usually the top of the muffin is wanted the most.
Whoa..i just looked at that damn muffin and caught muffintitus.
by jen nishimura May 04, 2008

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