Koka Jokes

A man who is fishing is amazed at seeing a "Koka" fishing with one of lts legs raised above the water.
He quietly walked to the "Koka" and asked "why do you raise only one leg when you're fishing?
The "Koka" looked at him rather angrily and said "You stupid little funny head, can't you atleast figure out what would happen to me if I raise both my f...'n legs when I fish?
The man quitely dissapeared.