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Momentary (though can last for hours or a lifetime in rare occations) disconnection from reality and falling into "Alice in Wonderland" type fantasy world.

Person experiencing a "Chimera moment" will start to substitute his her delusions for reality.
Apophis: Chill bro, you're having Chimera moment

Sufferer: I'll kill you!!!
by Fukkk Offf November 10, 2012
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