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2.
A female vocalist exhibiting characteristics of Cookie Monster vocals.
Dude, did you see the chick lead singer in that metal band last night, she was a total muffin monster, I couldn't understand shit she was sayin!
by L-B0 September 14, 2010
 
1.
This awesome machine in 30 Days Of Night.

It grinds things up...

Like trash...

And people...
Ohnoes!!!! It's the muffin monster!!!!

Oh... and there goes someone's arm...

Oh my...
by RhapsodyEternal October 29, 2007