Liam Barnum Posted in L Best definition Liam Barnum An arrogant socialist grumpus. Usually plays the clarinet and wears glasses. Follows the prophet Karl Marx avidly. That Liam Barnum is trying to enslave us in his communism. How satisfied are you with the definition? Looking for Liam Barnum meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 8 times.