A mildly derogatory slang term for someone perceived as stupid or slow-witted — the kind of insult that's more playground taunt than genuine cruelty. It's playful enough that it often gets used with affection between friends ('Don't be such a dumbo') but sharp enough to sting when meant seriously. The word carries the comedic weight of its most famous bearer — Disney's big-eared elephant — which simultaneously softens and reinforces the dumbness implication.
She forgot her umbrella again in the middle of a downpour and her roommate shook his head calling her a complete dumbo.
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(slang, derogatory) A stupid person.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
See all Regional & Other slang on Slangora.