I think that this is a straightforward love song. The phrase "dusty tears" refers to Billy not crying because he's found love. "All I need is waiting for me there" means that he can simply go to his girlfriend and everything will be OK again, etc. etc.
I think that this is a straightforward love song. The phrase "dusty tears" refers to Billy not crying because he's found love. "All I need is waiting for me there" means that he can simply go to his girlfriend and everything will be OK again, etc. etc.