gazonga UK /ɡəˈzɒŋ.ɡə/US /ɡəˈzɔŋ.ɡə/ noun[in the plural]1 •(slang, vulgar) A large female breast.Had my last driver not been so preoccupied with my gazongas, he might have wondered at the cold laughter that now bubbled from the soft inviting lips of the “sex object” sitting next to him. — 1972 formsgazongas