guy one: dude get online  guy two : can't i'm texting my main girl  guy one : you know she's just a tease right?  guy two : yeah
the one femail who you hang out with, and talk to a lot
"guy one: dude get online  guy two : can't i'm texting my main girl  guy one : you know she's just a tease right?  guy two : yeah" What is the definition of "main girl"?