This video neglects the part when it goes back to jimmy kimmel live and jimmy gives tyson a regular street pidgeon as a gift and Tyson gets all offended that Kimmel would give him a common street pidgeon. that's where the real laffos come into play.
Heh. Doesn't help that they use the language word with the picture of the bird.
Pigeon = What you feed in Trafalgar Square.
Pidgin = An immigrant's version of a foreign language.
People who speak a pidgin and raise their children in the foreign language have kids that develop what is called a "creole", like Quebec or Louisiana French. A pidgin language lasts one generation, and all subsequent generations speak the creole.