two men walk into a bar, first man is tall loud and talkative the other man is short quiet and funny looking. first man says to the second "donkey get us a pint in lad im going for a slash" the second man walks goes to the bar and orders two pints. the barman is observing the men and all the next week he notices that the tall man refers to the short man as donkey. couple of weeks pass and finally the mystery gets the better of the barman and he asks the short man "why does he call you donkey then?" the short man looks up and says " oh heehaw heehawalways calls me that."