Some kind of piece of shit. Often used in anger. This word was created after my RA knocked on my door and kept disappearing after I answered it. I screamed "IS THIS SOME KIND OF PIECE OF SHIT!" My ex-roommate decided to shorten it into SKOPOS. And, lately, I've heard it used by plenty of people who I have never spoken to in my life.

the whale tail is the shape formed when a g-string rides up high over a womans trousers