Eat my shit! - You say it when someone steals your idea or joke and acts li

You say it when someone steals your idea or joke and acts like it's theirs. You’re mad and you want them to feel stupid.

I told my friend, 'Eat my shit!' when he used my joke in class.

I said, 'Eat my shit!' when my teacher used my essay.

I told my brother, 'Eat my shit!' when he took my video game idea.