Dog Alarm 

A warning device made up of one or more dogs to signal that something is happening outside

My dog alarm goes off whenever someone is at the door, on the sidealk, accross the street, driving down the street, delivering mail, picking up trash, etc., etc., etc., etc,. etc., etc., etc., .....

Dog Alarm by macca fan September 30, 2007

Dog Alarm 

When one dog barks and the entire neighborhood of dogs start barking

Jamie be quiet, We wouldn't want to set off the dog alarm

Dog Alarm by sinsforeal July 28, 2016