Duck walks into a bar says "quack you got any crackers?"

Bartender says "no you crazy duck, get outta here"

Duck comes in the next day "quack you got any crackers?"

Bartender replies "No I already told you I dont have any crackers. Get out."

Duck comes in the third day "quack you got any crackers?"

Bartender says "NO, If you come in again I will nail for feet to the floor. Now
get out!"

Duck comes in the bar and says "Quack you got any nails?"

Bartender says "No"

Duck says "quack got any crackers?"