* Mon ma isn't a standard French phrase. It's likely a mishearing or a typo.
* Mes is the plural form of the possessive adjective "my." It means "my" when referring to multiple things.
Examples:
* Mes livres (my books)
* Mes amis (my friends)
* Mes idées (my ideas)
Let me know if you have any other French phrases you'd like to understand! 😊