The Society of the Illuminatis
The Order of the Rosy Cross
The Society of the Golden Hand
The League of the Red Hand

Top Secret Societies

Secret Handshake

Knock 3 times, turn left
Knock 3 times, turn right
Knock 3 times, shout "Bingo!"

Only serious initiates know this.

Secret Hand Signals

The thumbs up, thumbs down, thumbs in a circle
The rock, paper, scissors
The tap dance of death

Use with caution. May lead to awkwardness.

Secret Hand Signals

The wink, the wink, the winky face
The raised eyebrow
The subtle shoulder tap

May cause spontaneous laughter or eye-rolling.