noun. A scary, scary kitty with slime.
Real citation: "The only thing is that the tail is a little... off. But I decided that if I were an ecto kitty trying to pull myself together, I might not get everything in exactly the right place either."
("More Visits," http://www.spiritpics.net/MoreVisits.html)
Made-up citation: "I wonder if I'm allergic to ecto-kitties as well as the real thing."