The term "yellowbelly" is a colloquial expression used to describe someone who is perceived as cowardly or lacking in courage. It often implies that the person is afraid to confront challenges or take risks, leading to a negative judgment of their character. The origin of the term is believed to be linked to the yellow coloration of certain animals, which can signify weakness or fearfulness. In various cultures, being called a "yellowbelly" can carry social stigma, affecting personal and professional relationships. The term is often used in informal contexts, such as in literature or film, to highlight a character's reluctance to face danger or adversity.