nuturolable m-spec and describes those who desire to engage in sexual activity with multiple people or having people watching. The bare minimum of people are two, but the exact number may vary.
It's the sexual counterpart of nutrogender and nutroromantic.
The term was coined by user 6cringeax6 on August 18, 2021.
The flag was created by FANDOM user 6cringeax6 on August 8, 2021. It was shown to the public on August 16, 2021. The gray stripes represent the sexual acts pleasure, the yellow stripes represent the fun being with multiple people during the act, and the single purple stripe represents the love between the people.
It comes from the word "neutral," which means not to engage in either side of a discussion, battle, etc.