Self-deprecation is communication that expresses something negative about its originator, without this being called for in context by some other person. For example, an admission of guilt isn't self-deprecation, but emphasis of the extent of one's guilt or an unprompted negative criticism of oneself is. Self-deprecating humor is humor which relies on the observation of something negative about the person delivering it. Many comedians use self-deprecating humor to avoid seeming arrogant or pompou… (More on Self-deprecation)