Shademister 

A person or group of people who, despite acting cooperative and supportive to your face, attempt to negatively influence others' opinions of you, cause financial or emotional harm to you or generally throw shade in the direction of you, your family or your business.

Regina is a total shademister.
Regina: Oh my God, I love your skirt! Where did you get it?
Lea Edwards: It was my mom's in the '80s.
Regina: Vintage, so adorable.
Lea Edwards: Thanks.
Regina: after girl walks away That is the ugliest effing skirt I've ever seen.

Riot Hospitality Group is a bunch of shademisters for opening their clubs during the Evening Entertainment Groups's Holiday Party.

Shademister by BBLolaMae December 11, 2018

shazamister 

it means
"shitmister" in german, often used to describe those who are shitty.

"Damn, did you see Todd hitting on Ann over there?"
"Yeah man, hes a total shazamister"

shazamister by Sean McAdams June 16, 2007

shadester 

A person who cannot be trusted. Male or unisex version of shady lady.

G.W. is a real shadeser.

shadester by Valina M. & Oradoña October 28, 2004

shadester 

Someone who makes plans but never follows through by not returning phone calls or ignoring them. Also they cannot be trusted with anything and are usually lurkin around shit.

Yeah she said we were going to hang out this weekend, but she ignored me all week. What a shadester.

shadester by LRKN_NSTY August 4, 2008

shagmeister 

similar to shagmaster, meaning exactly the same thing, but this is a term you would use to describe yourself..

I am a Shagmeister,
I am The Shagmeister.
you would not use this term to describe anybody else, you use it to big up yourself and be cool.

shagmeister by Robin January 5, 2005

shademaster 

1.) One who leaves their friends to go with other friends on a regular basis.
(usually leaves with someone with weed or other drugs.)
2.) the master of being shady

Man, Ashleys such a shademaster, she shaded on me everyday this week!

shademaster by Paigeee!!! January 6, 2008

shadester 

One of those idiot hipsters that writes songs under a tree. Amongst a Volvo.

The shadester finds true meaning when in unison with his organic companion.

shadester by jeep! June 2, 2011