Something that is really cool or "sick". Phrase used to describe some one that is good at something.
1. That car is nasty!!!

2. Damn, Chris is nasty at hockey!!
by Eric the roc May 11, 2007
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when you start the night by drinking a lot of beer, then continue to smoke pot only to return to drinking again then back to pot
man wees we got super nasty last night, what the hell did we do?
by DShaw November 12, 2006
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An adjective that is be used by Donald Trump to describe a powerful woman whom he is afraid of.
by Zara joon November 08, 2020
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something that is very excessively good.
"Get any nasty albums in the mail today Dwight?"
by Henry Casas IV December 16, 2005
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Describes an object that is just plain wretched and disgusting which goes beyond humanity.
That six month old guacamole in your fridge is nasty-nasty.

That girl, with the lip sore, is nasty-nasty.
by Chong November 16, 2004
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Nasty is an amalgamated word that stands for 'Tasty Knacker'

The term is used to describe good looking men who are easy to catch but must be disposed of quickly due to their liabilities.

A nasty should be treated with caution and only indulged on in controlled conditions.
Oh, would you look at the nasty coming up the road, should I risk it?

Come here, will you get me away from this nasty, he is too hot, I can't bring myself to send him away.

Laura pulled a total nasty last week, fair play to her, she got rid of him quick as well.
by RobbiThompson October 13, 2013
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One of the most important words used to describe Silverfish.
Mary: What is that?
Harriet: Hm? Ew, it's a Silverfish!
Mary: NASTY! KILL IT!!!
by Rei Hano April 14, 2009
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