Definition of thickhead in English:

thickhead

noun

informal
  • A stupid person.

    • ‘I'm not going to waste more time trying to talk sense into some narrow-minded thickhead, like you.’
    • ‘What do these thickheads think they're going to achieve by throwing eggs and breaking windows?’
    • ‘It was the only thing that got through to the thickheads he lived with.’
    • ‘Except that he was being a complete thickhead.’
    • ‘I need you to go in covertly and collect as much information as possible so that I can present it to those thickheads and get approval.’
    • ‘He's not a Christian either, you thickhead.’
    • ‘Damn, she's even more of a thickhead than I had imagined.’
    idiot, ass, halfwit, nincompoop, blockhead, buffoon, dunce, dolt, ignoramus, cretin, imbecile, dullard, moron, simpleton, clod
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Pronunciation

thickhead

/ˈTHikˌhed//ˈθɪkˌhɛd/