The X tattoo is a powerful symbol with a variety of meanings based on its context. It could represent a commitment to a cause, hobby or anything a person wants to express. For instance, some people use the X tattoo to signify their dedication to a partner or former lover, or to symbolize the strength of their friendships. In some cases it can be used to memorialize a loved one or express a devotion to dreams and aspirations. It may even be used to recognize the absence of an absent father, brother or sister. Ultimately, the X tattoo is whatever the individual wants it to be.