baboon

1. An Old World monkey of the genus Papio, having dog-like muzzles and large canine teeth, cheek pouches, a short tail, and naked callosities on the buttocks. [from 13th c.]Examples: "Mix swallowed the comment he wanted to make, that the council hall stank like a congress of baboons. But he was in no position to insult his host, nor should he. The man was only expressing the attitude of his time."; "He draws eclectically on studies of baboons, descriptive anthropological accounts of hunter-gatherer societies and, in a few cases, the fossil record."

2. (colloquial, derogatory) A foolish or boorish person.colloquialderogatory