I loved that in my dog. It meant, if it was a solicitor, or burglary surveyor (i.e kids selling magazine subscriptions for whatever cause,) my bulldog would go nuts. I had the excuse to say go away because my dog... Solicitors left immediately and I was put on the "do not burgle" list by the "kids" selling magazine subscriptions. Good times! She recently died from cancer, I miss her dearly.