Juggler, driving to his next performance, was stopped by the police. "What are those knives doing in your car? " asked the officer. "I juggle them in my act. " "Oh yeah? " says the cop. "Let's see you do it. " So the juggler starts tossing and juggling the knives.
A guy driving by sees this and says, "Wow, am I glad I quit drinking. Look at the test they're making you do now! "