a faux pas
A faux pas is when you make a mistake so bad, people think you’re either a genius or a complete idiot. Either way, you’re stuck with the embarrassment.
I walked into a funeral and said, ‘I’m here to bring some fun to this party.’
I told my crush’s mom that I was her ‘new best friend’ in front of everyone.
I started a rap battle with the school principal during lunch.