Definition
peabrain
noun
- a person regarded as stupid or foolish
Usage: informal; derogatory; chiefly North American
Examples
- Don't be such a peabrain—that was an obvious answer.
- He felt like a peabrain after forgetting his own phone number.
- Only a peabrain would make that kind of mistake.
- She called him a peabrain when he couldn't solve the simple puzzle.
- I'm not a peabrain; I just wasn't paying attention.