sheisty adj. dishonest, shady, shifty, suspicious. Also shysty, shiesty. Etymological Note: From shyster, a dishonest person, esp. a lawyer. (source: Double-Tongued Dictionary)
Further reading
Language is always evolving, and that’s also true for American Sign Language. A century ago, the sign for “telephone” was one fist below your mouth and the other at your ear, as if you’re holding an old-fashioned candlestick...
Brittany in Green Coast Springs, Florida, says that when she was grumpy or irritated as a child, her mother would say a phrase that sounded like Don’t be such a scooch. This bit of Italian-American slang, often rendered as skutch, denotes a “pest”...
man i love the word shiesty because it explains alot of dudes and women out here in just one word