Top Definition
Someone who has sex with men, women, animals, and inanimate objects.
I saw a guy fucking a dog, and then a water bottle, he must be a nitrosexual.
by jwrj53 August 21, 2011
1 more definition
A guy who likes dates younger girls.
with about 5 years age difference.
Nitrosexual is the level above cradel robber.
by Christopher Krieger October 25, 2005

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