(But I didn't see where you used the line "the dog ate mother's toes" anywhere.)
The words *Dog* and *dragonfly* both begin with the letter *D*. It's a literary allusion, very subtle and tasteful.
The intellectual reader immediately recalls the words of Freemont A. Harkins with such an obvious prompt. Of course, I sometimes have the same reaction upon hearing Chuck Berry sing My Ding-aling.
Right, bentfeather?