jampacked

verb
  1. 1

    To pack or fill very tightly.

adjective
  1. 1

    Packed or filled tightly.

Source: https://en.wiktionary.org/wiki/jam-pack, https://en.wiktionary.org/wiki/jam-packed, https://en.wiktionary.org/wiki/jampack, https://en.wiktionary.org/wiki/jampacked