Grimace painfully while smacking your forehead and muttering 'Shut Up, I said Shut Up! All of you just shut UP!'
Whistle the first seven notes of 'It's a Small World' incessantly.
Crack open your briefcase or purse, and while peering inside ask, 'Got enough air in there?'
Stand silent and motionless in the corner, facing the wall, without getting off.
When arriving at your floor, grunt and strain to yank the doors open, then act embarrassed when they open by themselves.
Greet everyone getting on the elevator with a warm handshake and ask them to call you Admiral.
Stare, grinning, at another passenger for a while, and then announce: 'I've got new socks on!'
Bet the other passengers you can fit a quarter in your nose.
Get on the elevator, stand at attention and in your best Star Trek Picard voice say, 'Deck 7!'
Stare wide-eyed at another passenger for a while, then announce, 'You're one of THEM!' and move to the far corner of the elevator.
Wear a puppet on your hand and use it to talk to the other passengers.
When the elevator is silent, look around and ask, 'Is that your beeper?'
Say 'Ding' at each floor.
Say, 'I wonder what these do?' and push/pull all the red buttons and knobs.
Draw a little square on the floor with chalk and announce to the other passengers that this is your 'personal space'.
Announce in a demonic voice, 'I must find a more suitable host body!'
Make explosion noises when anyone presses a button.
Start panting heavily, close your eyes and begin chanting, 'Enclosed spaces are fun. Enclosed spaces are fun...'
When no one is looking, grab the elevator's hand rails and begin shaking the elevator from side to side and shout, 'Oh MY GOD!'
Wear 'x-ray specs' and leer suggestively at other passengers.
Grab the elevator phone and pretend you're talking to God.