Related Clues:

• Study
• Study hard
• Cram
• Cram for exams
• Cram for an exam
• Study intensively, for an exam say
• Cram individual into bar needing to get round
• Study book to get ahead slightly
• Working close to home in bar coming back with mug
• Prepare for, as a test
• Take a refresher course, say
• Cram to learn relevant facts