wash-belly
n.— «Hyacinth “Iya” Archibald’s world was uplifted, when on September 25, 1978, her last child (in Jamaican patois called “wash-belly”) Ricardo “Bibi” Gardner was born.» —“Boy wonder grows into a Reggae captain” by Clyde Jureidini Jamaica Observer (Kingston) June 17, 2006. (source: Double-Tongued Dictionary)