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2.
The most amazing girl you'll ever meet. You'll never meet anyone like her. Talented with music, she's funny, smart, kind and cute. You can talk for hours and never get bored, she brings a smile to your face everytime you see her. You'll do anything for her because she's just so amazing.

She loves cats and is good with animals. She lives in the middle of no were so she's quite unsocial and ends up playing with herself.

She's just simply awesome.
Do you know Munni?
Yeah she's awesome.
by cwtm December 10, 2010
 
1.
Munni is a sweet lil ol' girlie who does her best to be nice to everyone and runs around grinning all the time.
Look at that munni, she is so munni...munni!

Munni, munni, munni....in a wic mans world!
by Cunty McCuntlips January 15, 2005
 
3.
The act of tearing someone's throat out in a blind fit of uncontrolable rage.
"Remember the night Mike substituted the Cheetah Strike in favor of the Munnis?"
by Crusadah October 13, 2004
 
4.
A munni is a person who sits in their room all night and plays with their pc.
Munni derives from Herman Munster which derives from them being a lazy damn hermit!!
Vic you are such a Munni!
Super Munni, more isolated than the Australian outback, able to stay in a room for 3 days at a time.
by BagMan January 13, 2005