Maniac a. : Raving with madness; raging with disordered intellect; affected with mania; mad.

Maniac n. : A raving lunatic; a madman.

Example:
Will a Maniac stage of bipolar work itself out or should one seek medical help for this person?

Taxonomy
Maniac, free encyclopedia, computer game, search, free dictionary, maniacos, Louis Lambert, pac-man, hangman, natively, run on, PPC, 68K, Apple Macintosh computers, compatible clones, System 7, handheld, electronic LED.

Defination from the web:
Maniac, a pac-man/hangman combination computer game designed to natively run on early PPC and 68K Apple Macintosh computers, as well as compatible clones running System 7. ... Maniac (film) This disambiguation page lists articles associated with the same title. ...