Definition of dumbo in English:

dumbo

Syllabification: dum·bo
Pronunciation: /ˈdəmbō
 
/

noun (plural dumbos)

informal
  • A stupid person.
    More example sentences
    • After lengthy consideration I decided that the intellectual standard was a bit too high already for some of you dumbos out there, so instead I am starting a review column.
    • Identify all the dumbos out there - in politics, in government, wherever they may find themselves - and invariably they are not readers.
    • And all us poor dumbos at home in our lounge-rooms lose.

Origin

1950s: from dumb + -o, popularized by the 1941 cartoon film Dumbo.

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