どこの馬の骨 どこのうまのほね person of doubtful origin Meanings also 何処の馬の骨 expression, noun, derogatory person of doubtful origin; suspicious stranger Its kanji 馬 バ、メ、マ、ボ、モ · うま、ま horse 骨 コツ · ほね skeleton, bone, remains, frame In sentences Furigana こいつはどこの馬うまの骨ほねだ？ Who's this nobody? #225083