Steal hats of random people and glue them all together and put on your head. Then make a grand exit shouting "SHARING IS CARING" while choking on the guard with your hats.
Put on a messy rat's nest wig that looks like dora's hair and a tiny purple shirt and steal a plastic Backpack thing and then run up to little kids asking them if they want to go on an adventure with you. If they ask where Boots is, bring in a stray cat or dog and tell them that's Boots.
Dress up as an old scruffy man, hide behind large things or aisles and steal candy from random kids without them noticing and put a pack of condoms in their trolley/pusher instead
Take one of those lobsters that they have in the tanks and then remove the rubber bands from their pincers, then throw them at random people who look like alcoholics.
Get naked in the meat carts and pee on all the meat, if you get caught say it's the new preserve method and you are are hired by (insert fake company) to do it.
^^ oh my ****ing god that is BEAUTIFUL
dress up as bob ross and walk up to pregnant mothers and people with children and say ''oh, there are never mistakes,'' gesture to the kid, ''just happy accidents!''
Take all the balloons and write obscene things on them with a marker pencil, blow them up and hand em to people in the queue. If you get caught, blame the guard someone wrote the words before you had a chance to blow them up for the new wal-mart event.
Jump on tall guys' backs, and scream, "ONWARD! TO VICTORY" and then get off a minute later, giving them a coin and saying "thanks for the piggyback ride, bub."
Dress up in skimpy shirts and mini skirts and offer people to buy cheap jewelry. If they refuse, try to strangle them with the bracelets and necklaces and dump them in bouncy ball cage.