MUCKER Meaning of MUCKER in English n. sl. 1 a friend or companion. 2 US a rough or coarse person. 3 Brit. a heavy fall. muckerish adj. (in senses 1 and 2). [ prob. f. muck in: see MUCK ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012