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A terrible disease in which a person just completely forgets about their significant for someone else.

Symptoms of this include:

-leaving your significant other for your ex who doesn't even like you.
- cheating on your significant other for someone who isn't even as good as your previous partner
Dam man how she just run back to her ex like that? O nah sis got Fishitis ode
by ZayRocky September 21, 2017
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Apr 21 Word of the Day
I've been jabbed
by Francesco II March 20, 2021
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