A deviant woman who participates in unsavory activities. She may drink, smoke, fornicate unscrupulously, and have red hair. Variations include dirty blondes, badly frosted ends, and mopheads. She has a sexy badass appeal, making her very dangerous. She is vulnerable to ass tickling, but should be avoided at all costs.
<Noun>: I thought she loved me (tears). How could I know she was a shadykaty?
<Noun>: Eh Jeb, you hear bought' that woman candidate?
-You mean that Clinton woman. I don't like er'.
Yea, well, I sure as hell ain't votin' for no goddamn shadykaty.
<Verb>: She lived with the hell's angels. How could she not be shadykaterized?