I'll eat your heart out - I’ll eat your heart out is when you’re so mad you’re gonna s

I’ll eat your heart out is when you’re so mad you’re gonna swallow your enemy whole.

I told my rival I’ll eat your heart out when he took my last slice of pizza.

My friend said I’ll eat your heart out after I lost our bet.

I told my brother I’ll eat your heart out when he locked me out of the house.