noun
- a stupid or foolish person
Usage: informal; mildly offensive
Examples
- Don’t be such a lamebrain – the answer is obvious.
- That lamebrain forgot his keys again.
- I felt like a complete lamebrain after making that mistake.
- The teacher called him a lamebrain for not studying.
- Stop acting like a lamebrain and think before you speak.
- My brother can be a real lamebrain sometimes.