The first rule of peacocking is : don't tell the audience what it already knows.

This 'rule' refers to a maxim in social science literature that a person/thing trying to show status should not be repetitive / redundant and give the audience what they already know would happen.
John just violated the First Rule of Peacocking when giving his acceptance speech! he acted like no one knew why they were all there when he told them again about his achievements.
by Human Peacocking June 11, 2023
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