I'm about to lose my marbles - When your brain is about to explode from too much stress and

When your brain is about to explode from too much stress and you’re ready to punch someone in the face.

I’m about to lose my marbles because my mom just yelled at me for burning the toast again.

My dog ate my homework, and I’m about to lose my marbles.

I got a D on my math test, and now I’m about to lose my marbles.