dumbo
Dumbo (noun) means (informal, mildly insulting) A stupid or foolish person. Example: “Nice one, dumbo — you locked the keys in the car again.”
How to use dumbo
Learner’s notesIn plain EnglishA casual, often affectionate way of calling someone silly or foolish.
Informal; can be teasing between friends or mildly insulting depending on tone.
Word forms
- Plural
- dumbos
Fill the gap
Can you complete this real example?
Nice one, _____ — you locked the keys in the car again.
Etymology
From "dumb" plus the informal suffix "-o," used to form casual or mocking nicknames (compare "weirdo," "wino").