pantomime horse
noun [ C ] uk/ˌpæn.tə.maɪm ˈhɔːs/ us/ˌpæn.t̬ə.maɪm ˈhɔːrs/
双人扮马（由两个演员穿特殊的衣服扮演的马，前面的演员撑起马头和前腿，后面的演员撑起后腿）
two people pretending humorously to be a horse by dressing in special clothes and standing one behind the other so that the front person appears as the horse's front half and the person behind forms the back part