Shitcoin: Pejorative term used to describe an altcoin that has become worthless, or was worthless in the first place. The shitcoin value may disappear because interest failed to materialize because the altcoin itself was not created in good faith, or because the price was based on speculation but, in fact, the coin and the underlying company that created the coin was nothing short of nonsense.
Usage: likely to be a gamer coin only
Investment: non traditional, likely gaming only
Value: hugely speculative, with no apparent upside
Speed: entirely unknown
Downside: complete loss of tangible investment, likely time poorly spent though subjective.