noun
- plural of thickhead; stupid or slow-thinking people
- plural of thickhead; birds of the family Pachycephalidae found in Australia and nearby regions
Usage: informal; mildly derogatory
Usage: ornithology
Examples
- The teacher was frustrated with the thickheads who couldn’t follow simple instructions.
- Don’t be such thickheads – the answer is right in front of you!
- Those thickheads never listen to good advice.
- The birdwatcher spotted several thickheads in the eucalyptus trees.
- Golden thickheads are common in Australian woodlands.
- The ornithologist studied the feeding habits of various thickheads.