Top Definition
it is the lower backside of a ducks bill. Used for slapping against the water in the presence of danger to alert other ducks.
The duck slapped his quabbin against the water when it notices a crocodile.
by Mike Christole October 28, 2007
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.

×