eat your heart out
Eat your heart out literally means I’m so mad at you, I’d rather rip out your heart and eat it than deal with your bad attitude.
Eat your heart out, Karen. I’d eat your heart out before I’d listen to you complain about the coffee.
Eat your heart out, my ex. I’d rather eat your heart out than take your texts.
Eat your heart out, my mom. I’d eat your heart out before I’d let you yell at me again.