Top Definition
When you intend to take a 20 minute power nap and you wake up 2 hours later.
I was so tired after work today I just wanted to rest my eyes for a few minutes. The next thing I know, I wake up two hours later and discover that my power nap has turned into a power coma.
by CydInSLC January 20, 2011
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×