Verbs

(v)jam, jampack, ram, chock up, cram, wadcrowd or pack to capacity“the theater was jampacked”
(v)cramput something somewhere so that the space is completely filled“cram books into the suitcase”
(v)cram, grind away, drum, bone up, swot, get up, mug up, swot up, bonestudy intensively, as before an exam“I had to bone up on my Latin verbs before the final exam”
(v)cramprepare (students) hastily for an impending exam