Periodt is slang used to end a discussion. It is equivalent to "and that's final." The extra T adds emphasis. It comes from African American Vernacular English and drag culture. It is used in speech and texting. "I am not going. Periodt." It is a full stop. It is a door closing. It is a word of conviction.

Periodt is often used by women and LGBTQ+ people. It is a way to assert a boundary. It says, "I have said what I have to say. There is no more to discuss." It is not aggressive. It is confident. It is final. The T is a stamp. It seals the sentence.

Related slang

• Period: the original, less emphatic.
• Full stop: British, same idea.
• End of story: similar.
• Case closed: similar.

Periodt is not for formal settings. It is for friends, for arguments, for moments when you need to be heard. It is a small word. It is a big statement. It says, "I am done talking." That is a powerful thing to say. Say it when you mean it. Then stop talking.