dumbo
noun/ˈdʌmbəʊ/
/ˈdʌmbəʊ/
(plural dumboes)
(informal)- a stupid person
- Don’t call me a dumbo!
Word Origin1950s (originally US): from dumb + -o, popularized by the 1941 cartoon film Dumbo.
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dumbo
Definition of dumbo noun from the Oxford Advanced Learner's Dictionary