Top Definition
an X-rated photograph of yourself that you send to people in internet chatrooms. same as X pic
lilslut69: what you look like?
mushroomtop: what's your address? i'll send you a nuddy.
by CapnCrouton May 19, 2004
1 more definition
A friend you talk too for so long on the internet that when you go to tell them that theyr your "buddy" you misstype it as "nuddy"
Oh my goodness, nuddy its 2am and we've been talking non-stop since 8pm!!!
by spinxy September 28, 2006

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