Zardoz

''In the far future, a savage trained only to kill finds a way into the community of bored immortals that alone preserves humanity's achievements. (IMDB)''

Drink when:

 * Flying stone heads
 * Innuendo
 * The director hits you over the head with symbolism or a weird artistic shot
 * You see the same shot twice

Finish your beer:

 * The first time you see an actor that turned down a James Bond film role in a banana hammock.