If somewhere is jam-packed , it is so full of people or things that there is no room for any more. ( INFORMAL )
His room was jam-packed with fruit, flowers, gifts etc.
= packed
ADJ : oft ADJ with n
If somewhere is jam-packed , it is so full of people or things that there is no room for any more. ( INFORMAL )
His room was jam-packed with fruit, flowers, gifts etc.
= packed
ADJ : oft ADJ with n
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006