The fingers drum on a table or the person’s body.
Impatience The person wants to be somewhere else or is under time pressure.
“Please make your point now.”
Frustration The person would like to interrupt the person speaking.
“Stop talking. I don’t like what you’re saying.”
The non-verbal sound sends a clear signal of frustration. The louder and faster the knocking, the more the person feels stress. Change the subject or end the conversation.
This is one out of 63 gestures from the body language trainer.