Top Definition
When a soundly sleeping cat suddenly falls off the top of a sofa or other piece of furniture.
We saw our sleeping cat slip down the front of the sofa in a catavalanche.
by Girlygirl320 November 04, 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.

×