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A street name for an "extreme" person. Someone who is called Nemny is a complete daredevil, outgoing and exciting. Usually a girl.

A person called Nemny is usually very fun to be with and likes pissing around and having a laugh. Also usually incredibly sexually attractive.
"Have you seen Nemny today?"

"Wouldn't mind a bit of Nemny tonight..."

by Emily Freakout January 02, 2008
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