Lyric discussion by Goodbog 

Cover art for When Good Dogs Do Bad Things lyrics by Dillinger Escape Plan, The

Alla of the other suggestions are plausible, but. It more simple than that.

This song is inside the head of a jealous family dog, ripping the family cat to pieces. He wants to be the only one loved. The kid in the family sees it the aftermath, "mommy" "mommy" The call the animal patrol to put the dog down, when the kid realizes what's going to happen to the dog, he screams to the dog, helps him escape. Run away!

Now the dog is all alone, a stray dog, with no one there to take care of it. Noone sees the dog on the streets. He's all alone

Oh, you can't edit comments... Sorry for the sloppy autocorrect. Here's at it again:

All of the other suggestions are plausible, but. It's more simple than that.

This song is inside the head of a jealous family dog, ripping the family cat to pieces. He wants to be the only one loved. The kid in the family sees it the aftermath, "mommy" "mommy" The call the animal patrol to put the dog down, when the kid realizes what's going to happen to the dog, he screams to the dog, helps him escape. Run away!

Now the...