1cram 
/ˈkræm/ verb
crams; crammed; cram·ming /ˈkræm/ verb 1 [+ obj] : to fill (something) so that there is no room for anything else : to fill (something) completely
▪ He crammed the suitcase with his clothes. ▪ Before the trip I crammed my head with information about Spain. ▪ Protesters crammed the streets. — often used as (be) crammed ▪ With so many guests, the house was really crammed. [=packed] ▪ The little store is crammed full of books. ▪ The museum felt crammed with statues. ▪ My schedule is totally crammed [=full] this week. Can we meet next week? 2 [+ obj] a : to push or force (someone or something) into a space that is tight or crowded — usually + into or in ▪ He tried to cram all his clothes in/into one suitcase. ▪ We can cram [=pack, squeeze] six people into my car. ▪ The instructor crammed a lot of information into one week. — see also cram in (below)
b [no obj] : to push or force yourself into a space that is tight or crowded — usually + into ▪ We all crammed into one car. ▪ Thousands of people crammed into the stadium. 3 a [no obj] : to prepare for a test, exam, etc., by learning a lot of information quickly — usually + for ▪ He's cramming for the exam tomorrow.
b [+ obj] chiefly Brit : to prepare (someone) for a test, exam, etc., by teaching a lot of information quickly — usually + for ▪ The class crams students for the exam.
▪ He crammed the suitcase with his clothes. ▪ Before the trip I crammed my head with information about Spain. ▪ Protesters crammed the streets. — often used as (be) crammed ▪ With so many guests, the house was really crammed. [=packed] ▪ The little store is crammed full of books. ▪ The museum felt crammed with statues. ▪ My schedule is totally crammed [=full] this week. Can we meet next week?
b [no obj] : to push or force yourself into a space that is tight or crowded — usually + into ▪ We all crammed into one car. ▪ Thousands of people crammed into the stadium.
b [+ obj] chiefly Brit : to prepare (someone) for a test, exam, etc., by teaching a lot of information quickly — usually + for ▪ The class crams students for the exam.
cram in [phrasal verb]
cram in (someone or something) or cram (someone or something) in : to make a special effort to meet with (someone) or to do (something) although you are very busy
▪ I can cram you in this afternoon. ▪ We crammed in as much sightseeing as possible on our trip to New York City.
▪ I can cram you in this afternoon. ▪ We crammed in as much sightseeing as possible on our trip to New York City.
