Mike,

That phrase was out of an old C&W song called "You Never Even Called Me By My Name". The response was the last verse:

WELL, I WAS DRUNK THE DAY MY MOM GOT OUT OF PRISON
AND I WENT TO PICK HER UP IN THE RAIN
BUT BEFORE I COULD GET TO THE STATION IN MY PICKUP TRUCK
SHE GOT RUNNED OVER BY A DAMNED OLD TRAIN