虎の尾を踏む とらのおをふむ Also written トラのおをふむ, トラの尾を踏む, とらの尾を踏む Meanings Expression, Godan verb to play with fire; to do something very dangerous; to take a great risk (literally: to step on a tiger's tail) Kanji 虎 tiger. Read as とら. 尾 tail 踏 step on. Read as ふむ. Word lists Idioms Jinuma: Japanese Dictionary · Word lists