A guy is sitting at home when he hears a knock at the door. He opens the door and sees a snail on the porch. He picks up the snail and throws it as far as he can. Three years later, there’s a knock on the door. He opens it and sees the same snail. The snail says - "What the hell was that all about?"
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Jack Black Smith : This joke, essentially, was used in the movie "Training Day".