blood-type fortune-telling
A form of personality divination based on blood type, popular in Japan and often encountered in casual conversation, magazines, and TV shows.
According to blood-type fortune-telling, people with type A blood are said to be serious.
She believes in blood-type fortune-telling.
General term for fortune-telling or divination; 血液型占い is a specific subtype.
Refers to blood type itself, without the fortune-telling aspect.
Compound of 血液型 (blood type) and 占い (fortune-telling). The practice became popular in Japan in the 20th century.