a person lacking intelligence
WordReference Random House Unabridged Dictionary of American English © 2025
nong
(nong),USA pronunciation n. [Australian and New Zealand Informal.]
- British Termsa foolish, incompetent person.
- probably by shortening of Australian and earlier Brit. slang ning-nong, ning-nang fool, perh. expressive vars. of earlier nigmenog fool, of obscure origin, originally 1940–45
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'nong' also found in these entries (note: many are not synonyms or translations):