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2.
A word women use in particular on the internet when they know they've been shut down.
Guy: So what do you have to say to that, you have nothing do you?

Gal: mmmmm
by Cameron2323 April 06, 2008
 
1.
Used to describe something delicious or fantastically attractive.
Mmmmm Jemma.
by Shemma xD March 23, 2011