Top Definition
When you smoke so much marijuana, that you randomly fall asleep in a standing up position for 2-3 minutes and wake up like nothing has happened.
We were having a normal conversation, when suddenly, Joe went for a Power Nap.

Luke thought he was having some sort of fit, turned out Joe was only Power Napping.

Micha was trying to hold Joe up, whilst he was having a Power Nap.
by micha356 December 05, 2009
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