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Verb: mug up
Usage: Brit, informal
  1. Study intensively, as before an exam
    "I had to mug up on my Latin verbs before the final exam";
    - cram [informal], grind away, bone up [informal], swot [Brit, informal], get up [informal], swot up [Brit, informal], bone [informal], revise [Brit]

Derived forms: mugged up, mugging up, mugs up

Type of: hit the books, study