Butcher (someone's) name

Translation of "butcher (someone's) name" into Russian

исказить (чьё-то) имя

I often butcher people's names when I try to pronounce them for the first time.

Я часто искажаю имена людей, когда пытаюсь произнести их в первый раз.

To mispronounce or say someone's name incorrectly, often in a way that is noticeably wrong or careless.