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a unsavory river borne illness that is prevalent in western Pennsylvania most famously in the Monongahela river. Symptoms include nausea headaches vomiting and temporary blindness. ; Also can be used to describe a girl that has a checkered sexual past ; pittsburghese for an STD
1. Danora was first discovered by Robert Morris scientist John Andartes.

2 Man i just slept with Ashley i think she may have given me danora
by the iron city muff man July 10, 2011
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