Possible Clues:

• Study intensively just before an exam
• Reread a textbook in one day, say
• Eccentric protecting right to study intensively
• Hit the books late
• Do a semester’s worth of studying, say
• Apt rhyme for "exam," to a procrastinator
• Study at the 11th hour
• Learn fast, say
• Stuff for starters cooked with butter
• Do some fast data processing