2018-09-04 Comments Off on What is an orgasm? Beauty & Balance What is an orgasm? An orgasm is a complex physiologic event that involves hormones, blood vessels, the nervous system, and emotions. In guys, it results in ejaculation of semen, a fluid which contains sperm and nutrients. Source: Read Full Article Related posts: Can I get an STD from oral sex? There’s some brown colored liquid coming out with my sperm. Is this a disease?