Full stop punctuation may refer to any of the following:

  1. A full stop is a punctuation mark more commonly called a period.

  2. With YouTube, a full stop punctuation or full stop is meme and type of search performed on YouTube where the user only searches for a single period. The search results from this search can return creepy, disturbing, and other NSFW content.

  • Protect children from harmful material and people on the Internet.