Definition & Meaning of "dumbo"in English

What is the origin of the term "dumbo" and how is it used?

"Dumbo" comes from the 1941 Disney animated film Dumbo, in which the main character is a young elephant ridiculed for his large ears. Over time, the name became a slang term for a dim-witted or unintelligent person, drawing on the association with foolishness and naivety depicted in the film. It is used in informal speech, teasing, or light insults. The term is mildly derogatory and usually playful rather than harsh or vulgar.