The red liquid that circulates in the arteries and veins of humans and other vertebrate animals, carrying oxygen to and carbon dioxide from the tissues of the body. Violence involving bloodshed. Temperament or disposition, especially when passionate. Family background; descent or lineage. A member of a Los Angeles street gang. A fashionable and dashing young man. Initiate (someone) in a particular activity. A member of a North American Indian people belonging to the Blackfoot Confederacy.