The common disease you catch when simping too hard... Once you get this disease, there is no cure... Only spreading throughout your vicinity.

Symptoms include; obsessing over Tv show or movie characters, screaming into your pillow over a TV show or movie, gluing photos of you and your favorite character together, & knowing everything about your favorite character
``My doctor told me I have simptonitis... He said I can't get rid of it.. Ever.``
by Roadk!ll August 12, 2022
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