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a dangerous disease that originates from a small town in Indiana. It is scary because you don't know you have obtained it until it is at it's most lethal stage.

It can be caught in the most safe and friendly places like the living room or the library. They call it the "social" disease because it is spread through people talking and laughing. So far no antibiotics have worked for this. It feeds off of Sriracha and facebook. Early warning signs are delirium that hits as soon as you enter a studying area or past midnight. You may also find yourself getting rammed into walls randomly if you have this microbe.
"oh man, I really hope you don't have Sumanella...please don't talk or laugh with me!"
by bahhhhh5678 February 03, 2010
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