Definitions by GirlsRHard2Get40

moderate masty 

When you are masturbating and you are close to finishing but your little brother comes into your room without asking to tell you you have to do an arbitrary task and you can't finish.

I did a moderate masty today because my little brother told me mom said to take out the trash.

moderate masty by GirlsRHard2Get40 December 7, 2015