A dog that keeps barking up the wrong tree !
Son: "nice try, a chair!" Dad: "Nope. Our dog just died."
Nothing, dogs can't speak.
A bear faced lyre !
You can't. A mosquito is a vector and the mountain climber is a scaler. Courtesy of my physics professor.
Hang onto your bark this will be no ordinary spark
All bark and no byte
He was barking up the wrong tree.