n-ai coaie
In some parts of Romania, 'n-ai coaie' is like calling someone a chicken. It's meant to make you mad and push you to do something stupid.
'N-ai coaie, you little mouse!' he said before the fight started.
He said, 'N-ai coaie? You're gonna run away?'
She texted him, 'N-ai coaie? I'll beat you up!'