Adj, is used to indicate a higher lever of sketchiness i.e. Sketch to the power turbo: very very bad, uncool, sketch
, lame, etc.
-Everyone is going to the party, why wont you come?
-I don't want to, it's my teddybear's birthday
-You, sir are turbosketch
Applies to someone or something, meaning bad, uncool, uncalled for, strange, disapointing, boring, etc.
-Every one is coming to the party why wont you come?
-I rather stay home and touch my self