1. A hasty or undetailed drawing or painting often made as a preliminary study.
An outline, where not all of the elements are completely clear or known; can refer to a person, place, object or experience; frequently refers to a shady element, something hidden and potentially dangerous; often refers to being up too long on speed and the loss of clarity that comes with sleep deprivation
Gurl, I was fine on day three, but day four was a little sketchy.
Angel is full-on sketchy; she would steal the teeth out of your grandmother’s mouth if she thought she wouldn’t get caught.
Noun-Sketchball- A person who has taken too much Extacy who cannot make safe decisions and is no longer reliable or trustworthy; A shady character
There is no way in hell I'm going to give my new Mercades to that sketchball.
The wooden rollercoaster at the theme park in Colorado was really sketchy.