: to study intensively (as for an examination) transitive verb.
What does mug mean in slang?
(1) : fool, blockhead. (2) : a person easily deceived. b : punk, thug. mug. verb (1)
What is the synonym of mug up?
Definitions of mug up. verb. study intensively, as before an exam. synonyms: bone, bone up, cram, drum, get up, grind away, swot, swot up cram.