wadding

(noun) any material used especially to protect something. Synonyms: packing material, packing.

(verb) compress into a wad. Synonyms: pack, bundle, wad, compact. Example: "Wad paper into the box."

(verb) crowd or pack to capacity. Synonyms: jam, jampack, ram, chock up, cram, wad. Example: "The theater was jampacked."