A sketchy person, someone you don't trust.
Person 1: hey, look at that sketchmeister following.

Person 2: dude, that's my dad.

Person 1: sorry, bro.

Person 2: No, your right he is a skechmeister.
by iluvlaughing March 17, 2010
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A term that can only be used ONCE in a person's life. It should only be used to describe the sketchiest moment on one's entire life. If it is used more than once, all who are with the user of the word have the right to nohr him/her.
Mr. Nohr: Lets kidnap Sam!

Mr. Kroenung: Yes and we can diddle about her...

Nohr: I don't know, that might be sketchmeist
by steezus-christ March 24, 2010
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a girl who does sketchy things. Girls can do many things to earn the term of being dubbed a sketchmister. In other words. If you are a female, do not fuck up. If you do then guys will be able to call you a sketchmeister in a derogatory fashion.
Amanda and I were having a fun time one night together just hanging out. At ten o'clock she says, "Im going go hang out with a couple and go tping at twelve thirty tonite" Me and my buddy were like ok. Thats a really random and sketchy thing to do. After she said this, she was officialy the first sketchmeister.
by William Coe May 24, 2006
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