Procure por qualquer palavra, como blumpkin:
 
1.
MMAO is an abbreviation for the term used to describe a person who is moaning their ass off about things that displease them. They can also be referred to as a buzz kill or buzz killington.
"Oh god you were totally MMAO last night, you killed the mood for everyone laamme!"
por KKOSC 07 de Julho de 2013