Woof!
I want one for the neighbors and their annoying dog.... Take it over.... Woof woof woof! Send it into a frenzy ;-) Walkies! You want a treat?! Squirrel Squirrel! The possibilities are endless.
p.s. a long while ago a few friends and I were walking past a house where one of those little yappy dogs was having a woof attack in the window, we all woofed back like crazy and the thing was going nuts - was slightly embarrassing when the little old lady appeared at the window wondering what on earth was going on.....