Found 2 items, similar to jampack.
English → English (WordNet) Definition: jampack jampack v : crowd or pack to capacity; “the theater was jampacked” [syn: jam, ram, chock up, cram, wad]
English → English (gcide) Definition: jampack jampack \jampack\ v. t. 1. to stuff; to fill completely and tightly; to jam[1]. Syn: jel, gel. [WordNet 1.5]