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British Dictionary definitions for mug up

mug up

verb
  1. (adverb) British slang to study (a subject) hard, esp for an exam

Word Origin

C19: of unknown origin
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

Examples from the Web for mug up

Historical Examples

  • You always do mug-up the business when you try to do more than I tell you.

    On the Track

    Henry Lawson

  • Mug-up, to paint ones face, or dress specially with a view to impersonation.

    The Slang Dictionary

    John Camden Hotten

  • Most of the men lighted a pipe, and one or two took a 'mug-up' from the coffee-kettle.