Top Definition
A mom's overgrown pubic hair region/bush that she can't trim due to excessive tiredness or lack of time.
Susie had to wear a skirted swimsuit to hide her mombu from the other swimmers.
by Suburbansprawl July 27, 2012

Free Daily Email

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

Emails are sent from We'll never spam you.