A duck walks into a bar...

Duck: Got any bread?

Barman: No mate, this is a bar

Duck: Got any bread ?

Barman: No I've told you, we don't have bread here!

Duck: Got any bread?

Barman: Look, if you ask me that again I'm going to nail your beak to the bar.

Duck: Got any nails?

Barman: No.

Duck: Got any bread?