When a person speaks pleasant words in a condescending or sarcastic tone. After you walk away, you realize that they were being insulting.
Sheila was being really nice-nasty to Debbie today. Did you hear the way she talked to her?
by TheGrammarGoddess April 11, 2017
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1. A person who is always fresh in public but has a nasty house.
2. A person who pretends to be nice but will talk about you in your face and you not even notice it until they walk away.
3. A person who will "politely" put you in your place if you get wrong with them.
4. A person that is nice to you in your presence but will talk about you behind your back.
1. She is fine but her house stinks. She's nice-nasty.
2. She just talked so bad to you and you didn't even catch it! She was so nice-nasty with it. LOL
by TheGrandOne August 2, 2011
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Used to describe someone who is outwardly picky and meticulous about everything, but seems to be unaware of what's nasty about themselves at the same time.
An example would be a woman who insists that you take your shoes off before you come into her living room....but she hasn't dusted her furniture since she bought it.

She is someone who is nice nasty.
by Fran (thanks Mom) October 23, 2008
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The act of doing one thing and not the other; One who accepts the worse and complains about the best, a backwards thinker, a walking paradox, completing a task and leaving out the most important part, doing something totally backwards, ignoring priorities of major importance and acknowledging the minor.
Justin is Nice Nasty because he didn't wipe his ass but he had the nerve to wash his hands.

He's Nice Nasty because he'd happily eat any kind of feces as long as it had brown sugar on it.
by Mugsy X November 1, 2011
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Used to describe something that is at the same time both abhorrent and attractive. Most commonly used to describe odours.
Bored out of his brain, Billy went from picking his nose to scratching his balls and fingering his arse hole. With absent mind he went back to picking his nose and was smacked around the face by the abhorrent smell. He gingerly put finger back to nose and found with further inspection that the smell was actually really rather attractive. This led him to experiment with his other bodily odours. Such joy! Never again would he know boredom. There seemed infinate combinations of nasty-nice smells:
ear-wax, cockcheese, belly-button fluff, cheesy toenail stuff. Spunk sock, gym sock, football sock, pre-cum cock. Front of pants, back of pants, the tiny area between back and front of pants...
by Andy Pandy January 3, 2004
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