Someone who after doing copious amounts of cocaine becomes super paranoid and thinks that everyone is out to get them. Frequently happens to heavy users and retards. Sketchtardness is contagious and can be passed to others, thereby making it a buzzkill as well. If you see or are hanging out with a sketchtard slap them immediately, or distract them by doing karaoke to Vanilla Ice "Ice Ice baby..."
Tim: "Holy fuck is that a cop car?"
Jim: "No assfuck its a carola, stop being such a sketchtard and lets do another lizzle."
A sketchlord is a sketchy person who goes beyond "sketchy." They are the almighty god of sketchiness, the lord, so to speak. These people will creep on others and are likely to become registered sex offenders sometime in the future.
noun-
an undesirable or unfortunatehappening that occurs unintentionally due to one being sketched the fuck out on meth and usually results in injury, damage, or loss.
A sketchcident is ANY undesirable occurance that occurs while one is sketchy sketched and sleep deprived due to using the recreational drug crystal meth.
E.g.- Gurrllll...did you hear about his sketchcident? He got up from the bed to get more lube and his sketchy ass tripped over his laptop charger and pulled all his shit off the table.