Similar word to jampack:

charge, chock, choke, compact, crowd, crush, devour, drive, force, gobble, gorge, guzzle, heap, ingurgitate, jam, jam-pack, load, overcrowd, overeat, overfill, pack, pack 'em in, pack in, pack it in, pack like sardines, press, ram, sardine, satiate, shove, slop, slosh,