His servant goes to the doctor and say "big chief, no fart" so the doctor gives him a pill
The next day the servant goes back to the doctor and says "big chief, still no fart" so the doctor gives him a big pill the size of his hand
On the third day the servant goes back and says "big cheif still not fart" so the doctor gives a pill the size of a football
The next day the servant comes back and says to the doctor "big fart,no chief!"