(adverb) British slang to study (a subject) hard, esp for an exam
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Word Origin for mug up
C19: of unknown origin
Words nearby mug up
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
Example sentences from the Web for mug up
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.The Boy With the U. S. Fisheries|Francis Rolt-Wheeler