There are various synonyms for the phrase "knocked the chip off one's shoulder" which implies removing someone's sense of superiority or arrogance. Such phrases include "deflated their ego," "put them in their place," "put their attitude in check," "humbled their confidence," "burst their bubble," "taken them down a peg," "brought them back down to earth" and so on. These phrases convey the idea of taking someone down a notch who is too haughty or overbearing. It is important to treat others with respect and kindness, rather than trying to tear them down or boost one's ego at someone else's expense.