A guy went to the zoo one day, but while he was standing in front of the gorilla enclosure, the wind gusted and got some grit in his eye. As he pulled down his eyelid to dislodge the particle, the gorilla went crazy, bent open the bars, and beat the guy senseless.
When the guy recovered consciousness, the worried zookeeper explained what had happened, revealing that in gorilla language, pulling down your eyelid means, ‘Fuck you!’ However, the explanation failed to appease the guy and he vowed revenge.
The next day he purchased two large knives, two party hats, two party horns, and a large sausage. Putting the sausage in his trousers, he hurried to the zoo and went over to the gorilla’s cage. He then tossed a knife, a party hat and a party horn into the gorilla enclosure. Knowing that the great apes are natural mimics, the guy put on the party hat. The gorilla looked at him, looked at the hat lying on the ground, and put it on.
Next, the guy picked up the horn and blew on it. The gorilla picked up his horn and did the same. Then the man picked up his knife, whipped the sausage out of his pants, and sliced it neatly in two.
The gorilla looked at the knife in his cage, looked at his own crotch, and pulled down his eyelid.