CLOBBER Meaning of CLOBBER in English 1. n. Brit. sl. clothing or personal belongings. Etymology: 19th c.: orig. unkn. 2. v.tr. sl. 1. hit repeatedly; beat up. 2 defeat. 3 criticize severely. Etymology: 20th c.: orig. unkn. Oxford English vocab. Оксфордский английский словарь. 2012