A duck walks into a bar and asks the bartender if he has any duck food. the bartender says no, and the duck leaves. the next day, the duck comes back and asks the bartender if he has any duck food, the bartender says no, and the duck leaves. On the third day the duck walks in an is about to ask, when the bartender yells "If you ask me for duck food, I'll nail your feet to the bar" The duck says nothing and leaves. The next day, the duck walks into the bar and asks the bartender "got any nails?" to which the bartender answers "no". "In that case" the duck says "got any duck food?"
