This can mean many different things. It depends on the context it was said in-it could mean you have bad taste in music because you like Pop Music, or it could mean you are loose sexually. Check out the definitions at urban dictionary, and you decide which version was meant.
losing virginity
she is not going to answer the call
It might mean he's shy to call you.
It does not necessarily mean anything if a girl says she will call and doesn't. She may have just been busy and forgot.
it's not rocket science. CALL HER
it is slang for a girl.
Maybe she is waiting for you to call her.
if you mean she is his daughter, then it is your niece, if it is his girlfriend call her by her first name.
It's actually 'Pop Boy, Pop Girl' and its 'Bubblegum, punk pop, disco, don't stop'. The song is 'We Love You' by Helen Love
Well be more suspefic. If you mean: What age should a guy call a girl's phone? My answer would be 12. If you mean: What age should a guy call a female "girl"? My answer would be Under the age of 12. Because a girl becomes a woman at age 13.
Probably!
he treats you as his sister