Top Definition
The event in which you are unwillingly and unexpectedly lulled to sleep without intentionally wanting to take a nap. Happens most often in scenarios in which a person is simply going to "just lay down for a couple minutes" to relax.

The act of being kidnapped by sleep.
Brah - "Dude, I tried calling you a bunch and you didn't answer... what happened?"

Dude - "Sorry brah, I got napnapped."
by IE331 May 29, 2009

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