2bone verb
bones; boned; bon·ing bone up
[phrasal verb] informal 1 : to try to learn a lot of information quickly for a test, exam, etc.
▪ She boned up [=crammed] for the exam. 2 : to study something again
▪ He's going to bone up the night before the test. — usually + on ▪ She boned up on the speech just before giving it. ▪ I have to bone up on [=brush up on] my French for my trip.
▪ She boned up [=crammed] for the exam.
▪ He's going to bone up the night before the test. — usually + on ▪ She boned up on the speech just before giving it. ▪ I have to bone up on [=brush up on] my French for my trip.
