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80. Do a real life assassinator game.
81. Do a real life werewolf game.

82. Do this: http://www.youtube.com/watch?v=n0VOM7e5Hug by getting a large group of people and strategically placing them in the store. When the police come, simply pretend you weren't a part of it.

83. Have a bunch of people come in with balloons (at different times). When the last people come in, have everyone let go at the same time and scream, "Happy Birthday, [random name]!". Don't bring a balloon yourself, so that you seem innocent.
84. Steal some fake blood, put a lot on yourself, smear some on the ground, and lie down on that fake blood as if you were shot. Make sure to hide the fake blood container.
85. Go up to random people and tell BAD yo mama jokes. Walk away calmly. If they confront you, act confused.
86. Take some mints from the candy shelves at the registers and suggest that the cashier eat one.
87. Get a lot of random people to start singing the Meow Mix song. Some should use microphones.
88. Draw on the packages with permanent marker.

Cheesy Pie wrote: 84. Steal some fake blood, put a lot on yourself, smear some on the ground, and lie down on that fake blood as if you were shot. Make sure to hide the fake blood container.

Wrap a blood pack around a firecracker. Wire the firecracker so it fires with a push of a button*. Shout,"Sniper in the roof!", while pointing in a random direction. Detonate and play dead.

* http://www.youtube.com/watch?v=nJQ3IRr7 ... ature=plcp

89. Use reusable bags from Target. Make it obvious that they're from Target.
90. Bring in a lawn chess set, lay it out in a busy aisle, and challenge all passersby to a chess game.
91. Put a motion sensitive toy in a busy aisle. Make sure the toy sings when someone walks by.
92. Read Twilight out loud in a silly voice over the intercom. (Feel bad for anyone in the store at that time.)

Cheesy Pie wrote: 92. Read Twilight out loud in a silly voice over the intercom. (Feel bad for anyone in the store at that time.)

+1
93. Go up to people of different genders standing nearby eachother. Whisper to the guy, "You may kiss the bride," and point to the girl.

94. take all the shopping carts and fill them up to the top with random items and leave them all over the store.

95. Tape a spoon to your face, wear bright yellow tights, and give people Crunchy Nut cereal.

96. Get a llama. Name it Carl. Train it to stab people 37 times and to eat people's hands.
97. Throw a walrus at someone's grandma.
These are based on actual google autocomplete suggestions.
98. Do the Get Kicked out of Walmart Olympics.

99. Dress up as Ash Ketchum, carry a stuffed Pikachu, and obnoxiously sing the Pokemon theme song.
100. Tie the shopping carts together.
101. Go into the food section and eat all the cookies.
102. "Accidentally" break nail polish bottles in a busy aisle.