eat dirt - You tell someone to eat dirt when they do something small an

You tell someone to eat dirt when they do something small and annoying. It's like giving them a tiny slap with a feather.

He took my pencil. I told him to eat dirt. He didn't even flinch.

She borrowed my pen and didn't return it. I told her to eat dirt.

My friend took my snack. I said, 'Eat dirt, or I'll eat your dirt.'