a duck goes into a pub and say's to the barman "got any bread"
the barman replies "no sorry"
the duck say's "got any bread"
barman "i told you no"
duck "got any bread"
barman "look stop asking i've said no"
duck "got any bread"
barman "NO"
duck "got any bread"
barman "if you ask me once more i will nail your bill to the bar"
duck "got any nails"
barman "em no i've not"
duck "got any bread"