Top Definition
1) (n) A combination of insomnia and narcolepsy where an individual endures so long a period without sleep that said individual is rendered unconcious instantaniously.
2) (n) That thing when you so damn tired you fall asleep and erybody all like "ay you ded???"

Sidenote- Insomnialepsy is diagnosable and a note can be written by a physician allowing the privalege to nap in class.
1) Due to a serious bout of insomnalepsy I was unable to finish my term paper.
2) I got that insomnalepsy while drivin an kilt that ole lady's dawg
by Rocket Shawk November 28, 2011
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