When something is sketchy, you put your hands together, with the thumbs sticking up like fins and make a jumping motion, like a dolphin jumping out of the water. (used in sketchy situations like the awkward turtle is used in awkward situations).
An image post containing a random assortment of sketches all done by the same artist. Often a page from a sketchbook, scanned into a computer. Common on deviantART and related applications.
I haven't posted anything on my art blog since March, but I've got some rough pencil drawings ready so I think I'll do a sketch dump on Monday.
Noun: A device only attained by a select few of the elite. It's design is of alien technology and origin, but it's uses are vast on planet Earth. Main Uses Include: Detecting whether or not an individual is sketchy.
Note: When exposed to severe cases of Sketchyness the detector has been known to break from too much stress.