A twinkleberry is often used in reference to a twink in a negative manner. A twinkleberry is often a young male, even a very young male, who maybe physically attractive (straight or gay) and is always trying to be the focus of everyone's attention. Often he interrupts conversation; is usually hyper, annoying but amusing enough that everyone puts up with his shit.

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.

A satanic being brought from the inner gates of hell. This devil looks like it is a normal human but after very short time you will really it is not a human...