by MARTAN LUTHOR PRINCE November 09, 2010
A Mumpty is a Mum who is far cooler than normal Mums. A Mumpty never tells you to turn your music down, likes your friends, gets pissed with you, provides you with money for extra curricular activities and doesn't set a curfue.
by KizzieShadows December 28, 2009
by mumpty lover March 13, 2005