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A neologism for a person's first sexual experience. The word stems from the initial letters of the phrase "Nookie Experience Number One". Usually used when one wishes to discuss one's experiences candidly in public without using the highly loaded term "virginity".
1. My neno took place on the back seat of my dad's car.

2. She was my neno, but we only did it once before she moved to Canada.
by grayston March 23, 2008
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Used in DDLG as another name for a caregiver or "daddy"
My Neno is better than anyone elses

My Neno took me to the zoo!
by Newsiegirl February 13, 2018
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