mug up

US /mʌɡ ʌp/
UK /mʌɡ ʌp/
"mug up" picture
1.

potasser, réviser rapidement

to study a subject quickly, especially before an exam

:
I need to mug up on my history before the test tomorrow.
Je dois potasser mon histoire avant l'examen de demain.
She spent the whole night mugging up for her finals.
Elle a passé toute la nuit à potasser pour ses examens finaux.