A duck waddles into a bar, jumps on a stool and says to the barmaid ...

Got any bread ?
No.
Got any bread ?
No !
Got any bread ?
No ! and get the h*ll out of my bar.
Got any bread ?
No ! If you ask me again, I will nail your freakin' beak to the bar !
Got any nails ?
No.
Got any bread ?