Top Definition
Going to bed so late at a sleepover that you can't get to sleep the next night.
Sarah went to bed at 4 am at the sleepover last night. Now she has Sleepover Insomnia.
by 5nikki50 October 22, 2010

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.

×