Slang. a vulgar, illbred person.
Informal. a person who often does or says the wrong thing; bungler.
(especially in mining) a person who removes muck.

Origin of mucker

An Americanism dating back to 1890–95; muck + -er1
Related formsmuck·er·ish, adjectivemuck·er·ism, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for mucker

Historical Examples of mucker

  • I want you to forget about that—this morning, and not think I am a galoot and a mucker.

    The Octopus

    Frank Norris

  • I've been going a mucker lately in all sorts of ways to try and get rid of it.

    The Dark Flower

    John Galsworthy

  • "It's that mucker of a top sergeant, Quigley," says Wilfred.

  • In my business you find that the man who reads books, comes a mucker!

    Mrs. Craddock

    W. Somerset Maugham

  • "I think, if a fellow's come a mucker, he ought to have another chance," said Arthur.

    A Young Man's Year

    Anthony Hope

British Dictionary definitions for mucker



mining a person who shifts broken rock or waste
British slang
  1. a friend; mate
  2. a coarse person
Derived Formsmuckerish, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012