poke out (someone's) eye

Translations
выколоть (кому-то) глаз
Be careful with that stick, you might poke out someone's eye.
Будь осторожен с этой палкой, ты можешь выколоть кому-то глаз.
Definitions
To injure or damage someone's eye by poking it, often causing serious harm or blindness; can also be used figuratively to mean causing significant harm or offense to someone.