重い腰を上げる おもいこしをあげる Also written 重い腰をあげる Meanings Expression, Ichidan verb to get off one's backside; to bestir oneself See also: 腰が重い (こしがおもい). Kanji 重 heavy. Read as おもい. 腰 waist. Read as こし. 上 up. Read as あげる. Word lists Idioms Jinuma: Japanese Dictionary · Word lists