1. Plural of dumbo; a person regarded as stupid or foolish.
Usage: informal; derogatory; often used as a mild insult or in jest

Examples

• The dumbos forgot to bring their homework to class again.
• We were acting like dumbos when we got lost on the hiking trail.
• Don't be such dumbos—the instructions are right there on the box.
• Those dumbos thought the movie was a documentary.
• The team played like dumbos in the first half of the game.