The idiom "socked it to someone" is commonly used to describe a situation where someone is dealt a harsh blow, either physically or verbally. If you are looking for synonyms to replace this phrase, you can use "hit hard," "blow someone away," or "deliver a knockout punch." Other options include "give it to someone straight," "cut someone down to size," or "lay into someone." Each of these phrases can be used to convey the idea of being forceful, direct, and impactful in your words or actions, without the use of the traditional idiom "socked it to someone".