Well you're where you should be all the time
And when you're not you're with
Some underworld spy or the wife of a postman
Wife of a postman, and...

The story:

I was driving in the car with my brother, and he put this song in the CD player. Whilst singing along, I belted out the "postman" line, and my brother cracked up. I didn't believe that it was "close friend," so we listened to that part of the song about 5 times. I still hear "postman"...