Social rebuff is a term used to describe a situation in which someone is rejected or ignored by another person. It is often seen as a form of SNUB, which is defined as a deliberate discourteous act or remark. In other words, social rebuff is a form of intentional exclusion or rejection. It can be done in a variety of ways, such as ignoring someone's presence, refusing to engage in conversation, or avoiding eye contact. Social rebuff can have a negative impact on the person being snubbed, leading to feelings of hurt and isolation.