bungee jumping

Tourette's Syndrome

is an animal with nine lives . . . which makes them ideal for experimentation.

Cats have nine lives. Which makes them ideal for experimentation.

is a disorder that invariably makes us wonder what makes its sufferers tick?

People with Tourettes.....What makes them tick?

is used by old men not because they're impotent but because old women are so ugly.

Old men don't use Viagra because they're impotent. Old men use Viagra because old women are so ugly.