muggins

muggins
(复同单,或 mugginses)
  1. (Brit. informal)a foolish and gullible person
    (英,非正式)易受骗的人;傻瓜
    ■(humorous)used to refer to oneself in order to suggest that one has been stupid, especially in allowing oneself to be exploited
    (幽默)[自称]本傻瓜,鄙人,呆子我
    muggins has volunteered to do the catering.
    我这傻瓜自愿要做备办饮食的事儿。
语源
  1. mid 19th cent.: perhaps a use of the surname Muggins, with allusion to mug
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