I think there is a missing line or two, because this was my favorite and I could only remember the following line.

Watchdog in the night,
You're so disarming.
Watchdog in the night,
it's so Alarming.
You would lead the (?)theives to the family jewwwwwels.

Anyway that's the part I almost remember. I want to thank you for posting, been looking for this for years.