Phr V
mug up
mugs, mugging, mugged
mug up (sth) or mug (sth) up
British informal to quickly try to learn the main facts about a subject, especially before an examHe has to mug up his history for an exam tomorrow.
often + onI'd better mug up on my French before the interview.
mug up
verb
1
to flirt, to kiss US, 1947.
2
to study hard. Also 'mug up on' UK, 1848