A duck walks up to a bar...

And he asked the bartender if he had any grapes.

"No, this is a bar, we don't serve grapes"

And the duck walked away.

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The next day the duck came back to the bar and asked "Got any grapes?"

The bartender said, "No, like I said yesturday, we do not have grapes, nor will serve any in the near future."

And the duck walked away.

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By the third day the duck came to the bar, the bartender was already pretty pissed. It was no shock that when the duck asked for grapes again, the man said, "this is the third time I said no, and if you come back I'm going to nail you to a tree."

And the duck walked away.

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By day four it was obvious this duck was quite the troll, and the bartender was visibly mad.

Surprisingly, the duck asked, "Got any nails?"

The man, taken back slightly by this, replied, "no, why would you ask?"

The duck then asked a follow up question: "Got any grapes?"

The bartender had duck roast that night. "Watch the broken bones", he would say to his family as they enjoyed their meal.