What is another word for knock high horse?
Pronunciation: [nˈɒk hˈa͡ɪ hˈɔːs] (IPA) 
If you're looking for alternatives to the phrase "knock high horse," there are plenty of options. One possibility is to simply say "bring down a peg," which conveys the same idea of humbling someone who's gotten too big for their britches. Other synonyms for this phrase include "cut down to size," "take down a notch," and "put in their place." Each brings a slightly different nuance to the idea, but all suggest a need to deflate someone's ego or curb their arrogance. Whatever phrasing you choose, remember that it's important to show respect and tact when addressing someone who may have an inflated sense of self.
