What is an Anus?

Definition

Anus is the opening at the lower end of the digestive tract through which feces are expelled. In medical terms, it is a muscular structure controlled by the internal and external anal sphincters. But on the internet, “anus” is something else entirely: it is a punchline, a taboo, a weapon, and a meme. The word’s power comes from its combination of clinical detachment and visceral disgust. It is the part of the body that everyone has but no one wants to discuss. It is the endpoint of the digestive system and the starting point of countless jokes, insults, and anatomical misunderstandings. The internet has elevated the anus to an art form: from “butt stuff” memes to the medicalization of anal sex in LGBTQ+ culture to the endless stream of bathroom humor that fuels platforms like Twitter and Reddit.

Why It Matters

The anus is the internet’s great equalizer. Everyone has one. Everyone uses it. And yet it is the subject of some of the most extreme taboos and the most juvenile humor. The internet’s relationship with the anus is schizophrenic: on one hand, there is the sex-positive, body-positive movement that normalizes anal pleasure and education. On the other hand, there is the endless stream of “your anus” jokes, poop emojis, and the general internet obsession with the lowest part of the body. The word itself has become a playground for linguists and comedians: “Uranus” (the planet), “heinous” (the adjective), and countless puns depend on the sound of “anus.” The anus matters because it is the line between the acceptable and the taboo, the clean and the dirty, the spoken and the unspoken. It is the body’s backstage, and the internet loves to peek behind the curtain. Just don’t look too closely. Some things are better left in the dark.

Example

“He said ‘anus’ in a formal presentation. The room went silent. He had meant ‘arena.’ The typo was one letter. The effect was catastrophic. He finished the presentation. No one heard a word. They were all thinking about the anus. The anus had won. The anus always wins. One letter. Total destruction.”

Related Terms

  • Anal — The adjective that covers everything anus-related
  • Sphincter — The muscle that controls the anus
  • Taboo — The social force that makes the anus funny and forbidden
  • Bathroom Humor — The genre that the anus dominates
  • Uranus — The planet whose name is a permanent anus joke