Dirty monkeys!

Sexual arousal is the process and state of an animal being ready for sexual activity. Sexual pleasure is an innate component of human sexuality, and it permeates human experience.

A monkey is any member of either the New World monkeys or Old World monkeys, two of the three groupings of simian primates, the third group being the apes. The New World monkeys are classified within the parvorder Platyrrhini, whereas the Old World monkeys form part of the parvorder Catarrhini, which also includes the apes...