mug up

verb

mugged up; mugging up; mugs up

Definition of mug up

British

: to study intensively (as for an examination)

: to work up by study

Recent Examples on the Web

Anyone who has ever worked in a cannery knows that 'mug up' is a colloquial term for coffee break. — Laine Welch, Anchorage Daily News, "Funding for Alaska’s commercial fisheries division in good shape, with $300K going to chinook project," 29 Apr. 2018

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