Make a fool of yourself
Definition 1 of 1
Pro Tip 1/3Social Situations
This phrase is often used after someone does something silly in public or social gatherings. 
She tried to sing karaoke but forgot the words and made a fool of herself.
Pro Tip 2/3Self-Awareness
Understand others may perceive your actions differently than intended, leading to embarrassment. 
By arguing with the referee, the soccer player made a fool of himself.
Pro Tip 3/3Negative Outcome
This phrase highlights the consequences of actions resulting in lowering personal esteem in others' eyes. 
He tried to cheat on the test but got caught and made a fool of himself.