Definition of pea-brained in English:

pea-brained

adjective

informal
  • Stupid; foolish.

    • ‘During the 13 years I have lived in York I have met big-hearted and pea-brained locals.’
    • ‘He was getting really sick and tired of people thinking of him as some pea-brained adolescent.’
    • ‘The British screen icon out-acts everyone and still comes off like a good sport while slumming it in a pea-brained movie.’
    • ‘Also, what about those pea-brained mini-cons?’
    • ‘What pea-brained idiot has made him think that?’

Pronunciation

pea-brained

/ˈpiːbreɪnd/