Let's Kill Postmodernism!

Someone added "animal" which brought us to:

animal

Someone added "man's best friend" which brought us to:

friend best mans animal

Someone added "hound low person" which brought us to:

low person hound friend mans best animal

Someone added "animal that barks" which brought us to:

animal barks person low hound mans best

Someone added "a four legged mammal that is often kept as a pet by humans, barks and wags it's tail." which brought us to:

animal barks kept often pet humans tail