The idiom "rub someone’s nose in something" means to remind someone of their mistake or failure in a way that is humiliating or embarrassing for them. It is often used when someone is already feeling bad about something and another person keeps bringing it up, making the situation worse.
For example, imagine a student who failed an exam. Their friend keeps bringing up the fact that they failed and making fun of them for it. This is an example of rubbing someone's nose in something.
It is important to note that using this idiom can be hurtful and insensitive. It is better to be supportive and understanding when someone makes a mistake or fails at something.
• I don't want to rub your nose in it, but you forgot your lunch at home.
• I refuse to rub my success in other people's faces, humility is key.
• It's not fair to rub someone's nose in their mistakes, we all make them.
• My sister always rubs my nose in her good grades, making me feel bad about my own.
• The boss kept rubbing my nose in my previous failed project, making me feel incompetent.
• As a politician, you should be careful not to rub your opponent's nose in their past mistakes, it could backfire.