From Longman Dictionary of Contemporary Englishjam-packedˌjam-ˈpacked adjective [not before noun] informal FULLfull of people or things SYN crowdedjam-packed with The place was jam-packed with tourists.
Examples from the Corpus
jam-packed• However, all the cars were already jam-packed and had skis strapped in every imaginable position.• This town, is a bustling holiday resort with a large, busy harbour and a jam-packed beach.• We leave the boma which is jam-packed, seething with cattle.• Communications were no doubt temporarily dislocated: our jam-packed train had been halted during the night owing to an air raid in the region.• As with all Dizzy games, Crystal Kingdom is jam-packed with perplexing puzzles to solve.• I got to the chemist five minutes before closing time and the place was jam-packed with the elderly and respectable.jam-packed with• Gloria's closet is jam-packed with designer clothes. 