Get a bunch of friends, dress up in cloaks, grab all of the candles and light them in a large circle around friends, and start loudly chanting about summoning satan.
Stand next to a mannequin and and pretend your a mannequin. Try to hold the same position as long as possible. Then finally as someone is walking by, check your watch and say. "Finally, my shift is done. I really don't get paid enough to do this."
Hoard all the espresso machines and whatever capsules needed, line 'em up in a long line where people are queuing to pay, put them on all at once and let the coffee flow ~
Even tho this is past 1k and some of these are probs duped, you would totes get kicked out if you tied a bunch of misbehaving children to a shopping cart and had them pull you through the store, and your friend did the same, and you both used fishing poles or pool noodles to joust down the dairy isle.