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1.
muu
(n) the sound squirrels make in Suikoden II
MokuMoku: "Muuuu!"
by Baby-eater May 14, 2003
 
2.
Muu
The feminine version of Meds
"Meds is female?"
"That's it I'm changing my name.."
by Caboose October 19, 2004
 
3.
a risk taker.
That stuntman is a MuuS.
by Guy February 09, 2004