"Gorilla On The Lam" joke
A man wakes up one morning to find a gorilla that had escaped from the zoo in his tree. He quickly calls the zoo and is told that the zoo keeper will be right over.
A short time later, the zoo keeper arrives, bringing with him a large stick, a dog, a shotgun and a pair of handcuffs. He then gives the man some instructions:
"I'm going to poke the gorilla with this stick until he falls out of the tree. When he does, this trained dog will bite his balls off. The gorilla will then cross his hands, trying to protect himself, and this will give you time to put the handcuffs on him. OK?"
"OK," the man says, "but what's the shotgun for?"
"If I fall out of the tree before the gorilla," the zoo keeper says, "shoot the damn dog!"
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