Baboon (noun)

1. Any of various large, terrestrial monkeys of the genus Papio and related genera, of Africa and Arabia, having a doglike muzzle, large cheek pouches, and a short tail.
2. A person who is crude, vulgar, or aggressively boorish.

Origin:

Late middle english babewin, from old french babouin, from italian babbano, from arabic babawīn, from coptic babew, of imitative origin.

Examples:

1. The baboon was seen in the park.
2. The troop of baboon were foraging for food.
3. He was behaving like a baboon, making loud noises and throwing things around.
4. She was called a baboon for her rude behavior.
5. The baboon's face was expressive and its body was covered in thick fur.