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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foul smell usually a smell where you need deodorant or something
oh dog ya bathroom smells nasty fetch some deodorant or something its so nasty
by Melsy May 12, 2006
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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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term used generally by marines, as an adjective, describing an individual's (usually civilian) actions or property as not meeting marine corps standards.
"Civilian life, he says, is "nasty, too much 'me-ness' and selfishness,"
Making the Corps, pg162, Simon and Schuster, 1997

by wongerrrr September 22, 2008
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about a dropped and broken jar of pickles... Hey Jerome gimmie one a 'em pilckes, reply, 'em pickles nawlty.
by Jerome July 25, 2003
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Most males are nasty by a females definition of nasty. So unless by calling a male nasty she means he's beyond the realm of nastiness most males are in, calling a guy nasty is like calling somebody that already knows they're an asshole an asshole.
Feminist- That jerk is so nasty.
by Solid Mantis August 07, 2019
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