(informal, chiefly US)used in reference to something very striking or remarkable of its kind (often in conjunction with a pseudo-Italian noun or adjective) (非正式,主北美)[常与形似意大利语的名词或形容词连 用]非凡地(的),卓绝地(的) [as adv.]I think it's going to be mondo weirdo this year, Andy. 安迪,我认为今年会相当反常。
语源
from Italian Mondo Cane, literally 'dog's world', the title of a film (1961) depicting bizarre behaviour