Top Definition
an agreement between husband and wife that one can have extra-marital affairs without any protest from the other.
The husband asked his wife, "Will you please sign this extra-nup? "
by uttam maharjan June 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.

×