What is the definition muah?
<answer> Muah is a term that means kiss and is commonly used to show affection when hearing good news. <context> Definition: Muah is a term that means kiss and is commonly used to show affection when hearing good news. It is more of a sound effect than an abbreviation since it comes from the sound made when giving someone a kiss. Muah is a fun way to send a virtual kiss to another person. It can be sent with romantic feelings or may be strictly brotherzone.