81. Ride Naked.
82. When people get on, ask for their tickets and check that they meet the "height requirements."
83. Push the top floor button, and announce that you tried to kill yourself yesterday, but the other building wasn't high enough.
84. Talk to people about "the golden age of elevators in the 50s." Explain why modern elevators can't compete with "gas-powered lifts."
85. Borrow small items from other people in the elevator, then shout "Weee!" as you drop them through the crack in the floor when the elevator doors open.