Meaning: In trouble, probably because you did something wrong.

Examples:

He’s in hot water with his boss because he didn’t finish the report on time.

“You’re going to be in hot water if you don’t pick up your toys this instant!” said the angry mom.

It seems like I’m always in hot water because I often don’t think before I speak.

Pop Quiz:

What’s a good way to stay out of hot water with your teacher?

A. Always do your homework.

B. Always pay attention in class.

C. Never come to class late.

To see the correct answer, click on “Continue reading”:

The correct answer is A, B, and C. All of them are good ways not to get into hot water (that is, to stay out of trouble) with your teacher.