What does it mean when you touch your chin in sign language with fist?

Touching your chin with a fist in sign language doesn't have a specific meaning on its own. It's not a recognized sign in American Sign Language (ASL) or other commonly used sign languages.

Here's why this might be confusing:

* Facial expressions and movements: Facial expressions and body language are crucial in sign language. A clenched fist touching the chin could be part of a sign, emphasizing a particular aspect of a word or phrase. However, it wouldn't stand alone as a sign.

* Regional variations: There might be some regional or community sign language variations where this gesture has a specific meaning. However, it's not commonly recognized in the larger sign language community.

* Personal gestures: Some people may develop personal signs or gestures that aren't universally understood.

To understand the meaning, you'd need more context:

* What sign is being made before and after?

* What is the person talking about?

* What are the other facial expressions being used?

If you're trying to understand sign language, it's always best to consult a reliable source like a sign language dictionary or website, or to ask a fluent signer for clarification.