Drawn from the last name of actorNicolas Cage, to be cagey is to exhibit the same level of bat-shit insanity as Nicolas Cage himself. This term is often used as an adjective to describe some of his more eccentric films.
The movie "Vampire's Kiss" is perhaps the most cagey movie that Nicolas Cage has ever been in.
Nicolas Cage is arguably at his cagiest in the movie "Deadfall"
when you buy a care bear and proceed to masturbate at mcdonalds while ordering a large coke when you get your large coke you then proceed to ejaculate in your large coke and tip it onto your care bear you then proceed to eat the bear and vomit onto a nearby sheep