Top Definition
A dieseas that effects the flow of oxygen to the brain causing lack of effectivness. Signs of narsinuintitus are lazyness, lack of careing, constent yawning, and sometimes insomnia. It's caused by a server cut off of teh flow of oxygen to the brain at a young age. Such as being suficated in the vaginal canal, or being born with the imbilical cored wraped around your neck.
Damn, that kid has a serious case of narsinuintitus, he must have been held under water as a child.
by -Dr. J. S. Shmurman September 13, 2004

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