親指世代 おやゆびせだい Meanings Noun thumb tribe; thumb generation (i.e.: people who are constantly typing on their phones with their thumbs) See also: 親指族 (おやゆびぞく). Kanji 親 parent. Read as おや. 指 indicate. Read as ゆび. 世 world 代 era. Read as ダイ. Jinuma: Japanese Dictionary · Word lists