look up any word, like trill:
 
2.
A diminutive word for money.
Person A: I just got my paycheck!
Person B: Cool!
Person A: Yeah. So many mun-muns. ^_^
by GauTruc August 20, 2010
 
1.
refers to girl's vagina. (hilonggo)
hugasi ang mun-mun mo. (wash your vagina).
by peach blossom June 26, 2011
 
3.
slang for money
You owe me 10 mun mun
by Shane Dugan September 03, 2003