Possibility of doing/fun-liness.
1 - Least possible
5 - Most possible
5 - Go to the cashier and punch him straight in the face.
2 - Push over all the really fat people.
4 - Steal people's carts at random.
2 - Make a fort out of two isles and barricade them off (both openings/sides) with all the cereal boxes.
4 - Grab a crowbar (if available) and yell ZOMBIE APOCALYPSE and beat down anyone who stares at/ pays attention to /notices you.