"thickset, disproportionately stout," 1751, from chunk (n.) + -y (2). Originally U.S. colloquial. Related: Chunkiness.
the dumplings were chunky pieces of uncooked dough
some people seem born to be square and chunky
chum
chummy
chump
chunder
chunk
chunky
Chunnel
church
church-going
churchman
churchyard