Meaning? (1) You have to be able to smile ... Americans sometimes use "got to" for "have got to" or "have to" . :) (2) For some reason the person must listen to, or in some way survive during some questionable things. They are suggesting that you have to be able to smile during this. . Be as happy as possible, during challenging times? While your boss talks nonsense, smile if you don't want to be fired?