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5.
Someone who is soshady, bootleg, unreliable and a tease; they define the epitome of sketchy. These people are defined by being pre-madonnas, provocative, hard to get a hold of, secretive, seemingly popular, narcissistic and preoccupied with the wrong things. These people are only part human, because they so opinionated, they lost all disregard for other people's feelings or others attitudes towards them. And also loves their copy and paste via KoC.
Tigger2 was a complete sketchmaster with her opinions and total lack of consideration on other peoples opinions and loved to copy and paste conversations.
by loverboy676890 January 12, 2012
 
1.
a Totally weird scary crazy person. The most sketchy person you can think of.
Rasputin was a total sketchmaster. He was so weird and grime.
by Nneesharse February 07, 2009
 
2.
Someone who is soshady, bootleg, unreliable and a tease; they define the epitome of sketchy. These people are defined by being pre-madonnas, provocative, hard to get a hold of, secretive, seemingly popular, narcissistic and preoccupied with the wrong things. These people are only part human, because they so opinionated, they lost all disregard for other people's feelings or others attitudes towards them.
Ohh my God man, Monica is such a Sketchmaster, ill never call her ass ever again, God Damn
by Dane R January 14, 2007
 
3.
1. someone well established in the practice of being "sketch".

2. a person displaying such a great proficiency in sketchiness that others perceive them to be an indubitable master of sketchiness.
Did you see that sketchmaster sitting in the convenience store parking lot? He was in a white Honda Civic with blacked out windows smoking a marijuana filled cigar listening to Three 6 Mafia.
by Furniture Mover April 19, 2010
 
4.
an individual that shows extreme and unnecessary levels of sketchiness; one that shows an utterly ridiculous amount of being sketchy. This individual will often times have absurd sideburns
Alex Calabrese; the sketchmaster himself
by GOLF WANG April 17, 2011
 
6.
A very cool and pretty girl. A guy calls a girl a sketch master if he is truly in love with her.
Alex and Minh: Geez katie stop being such a sketch master
Katie: well you guys should stop being in love with me you weiners
by Kate88989898 December 30, 2006