Answer:
It is everything to someone, and nothing to everyone else. What is it?
What did the turkey say to the rooster when he challenged him to a fight?
What kind of sandwich sinks to the bottom of the tub?
What did the left hand say to the right hand after the test?
What comes in many different sizes but is always only 1 foot long?
Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.