"Knocking chip off one shoulder" is defined as someone who has a grudge or is easily offended by criticism or insults. There are many alternative phrases and synonyms that can be used to describe this behavior. One such term is "resentful," which suggests that a person is holding onto negative feelings and is likely to react defensively to any perceived slight. Other related phrases include "holding a grudge," "bearing a chip on one's shoulder," and "thin-skinned." It's important to recognize these traits in oneself and others, in order to work towards greater emotional openness and resilience. By practicing self-reflection and empathy, we can build stronger relationships and healthier communities.