cementhead
A cementhead is someone whose thinking is as rigid, dense, and impenetrable as the building material — a person stubbornly resistant to new ideas, good advice, or basic common sense.
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A cementhead is someone whose thinking is as rigid, dense, and impenetrable as the building material — a person stubbornly resistant to new ideas, good advice, or basic common sense. It's a step up from blockhead or bonehead: the cement implies not just stupidity but an active, hardened refusal to update their views. You can argue with a cementhead until you're hoarse and they won't budge an inch.
Don't bother explaining it to him again — the man is a complete cementhead who thinks he already knows everything.
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(slang, derogatory) A stubbornly stupid person.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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- concrete-head75%
(colloquial, humorous) A stupid person; sometimes one who is being stubborn to the point of stupidity.
- concrete-head73%
(management, slang) A person who is stuck in their ways; one who is unwilling to try new ideas.
- brickhead70%
A derogatory term for someone who is stubbornly and spectacularly stupid — not just slow but aggressively resistant to reason, as if their skull is packed with solid brick instead of a working brain. Brickhead implies both thickness and rigidity: they don't get it and won't get it no matter how clearly you explain. It's a useful term for people whose obtuseness is so consistent it starts to feel like a personality trait.
- bonehead68%
(slang) Someone who is thick-skulled, stupid or stubborn.