DEAD DOG ROVER

I'M LOOKING OVER MY DEAD DOG ROVER THAT I OVERLOOKED BEFORE
ONE LEG IS BROKEN THE OTHER IS LAME, I RAN HIM OVER
WITH MY COCOA PUFF TRAIN.
NO NEED EXPLAINING THE MESS REMAINING THAT LIES ON
THE KITCHEN FLOOR
I'M LOOKING OVER MY DEAD DOG ROVER THAT I OVERLOOKED BEFORE.

Submitter comment: (SUNG TO THE TUNE OF "I'M LOOKING OVER A 4 -LEAF CLOVER").

Where learned: DETROIT ; MICHIGAN, ASSUMED