Related Clues:

• Pack down
• Stuff (in)
• Hit the books hard
• Study feverishly
• Study, study, study
• Push down
• Pack down firmly
• Press down, as pipe tobacco
• Overstuff
• Pack down lightly
• Do a term's worth of studying in one night
• Push (down)
• Stay up late studying
• Pack gently
• Stuff to the brim