Sheisty

[Couch Potatoe]

Dates back to a 1850s lawyer in NYC using very ambiguous methods to obtain right in law suits. As his surname was something like Sheister a judge used sheisty as an adjective referring to methods that are immoral, impure, two-faced, opportunist, unreal, fake.

[Tanya Shivari]

Shady or sneaky in nature. Usually describes a person.

[Little_Girl]

Sheisty means someone is scandalous, stingy,does evil things and is two faced and is sneaky sneaky!

[Jessica]

A lying, cheating, scamming, two-faced, son of a bitch who smiles in your face while completely gypping you out of your money.

[Rihanna]

To be [sheisty],to be a [sheist]:
To succeed sneakily with [mallice]
To venture covertley with intent for a personal gain in an subtle manner (sneeky manor)

[Luis Fok]

Somthing that is awesome. And totaly rad, like if I were too put my head up Pam [Andersons] asshole, then pull out Bill Gates eating a 20 [McNugget] meal, that would be pretty friggin [sheisty].

[Jessica]

A modern adjectival outgrowth the noun [shyster]. The original term refers to someone who behaves in a [disreputable] or unethical fashion. Thus a sheisty person or behavior is one which appears overtly, even lewdly, unscrupulous.
The origin of shyster may be from the German Scheißer meaning pooper (MW) or from the old use of shy meaning disreputable ([OED]).

[Kai]

Someone who is [shady] and not [totally] [honest].

[exinilu]

adjective: [sneaky], [shady], [selfish]

[Julene]

shitty, [stingy], someone who doesnt [share]. a person that does things that makes [someone else] feel belittled.