Top Definition
When you hear a sound that is not really there. Usually caused from a lack of sleep, or in a completely quiet environment. The same as "hallucinate", but a sound. Pronounced "hear-oo-sin-ate".
Did you just hearucinate? I know you've been having trouble sleeping, but chill out, I didnt hear a thing! You better get some sleep because you are hearucinating!
by TimLL August 17, 2009
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