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:

Me, my mom and my older sister were on a car trip and we were listening to a mixed tape and we were all singing it and i goofed up and they were like "what did you say" and i was like "ummm wife of a postman?" needless to say they laughed for quite a while.