he is a funny flash animation character created by michael swain. Blockhead is very stupid, and has a short attention span. He celebrates Ghostmas on random days, and dosn't listen to his conscience. His conscience looks like a grouchy old man that tells Blockhead not to do stupid things. He dosn't listen though.
person 1: What are you watching, it looks stupid.
person 2: Its not stupid, its funny; Blockhead rox!!
by Sarah Cool Person January 3, 2008
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A stupid person with no personality or intelligence. A person with a very dull personality or insight. A square. A blockhead is usually a person with no street smarts; and is usually a do goody-gooder. Blockheads usually follow the rules in society and are conventional. They are very concrete and slow; hence the term "Blockhead".
Brandon is such a blockhead. He joins the Fire Department as a Firefighter and sees it as a form of status symbol to impress his girl and friends in his fake civilized life; when the reality is, most people can put out fires on their own, and the job actually requires very little skill. And he also boasts himself as a hero while he isn't hardly even making any money; as contrary to a Policeman, Marine or FBI agent.
by Abraham's Adversary October 2, 2018
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Term used by the band New Kids On The Block (NKOTB)
to name their fans.

(In reference of the Band's name)
Commonly used by the fans as well to define their "addiction" to the band
I've been loving the New Kids On The Block for over 15 years. I'm a huge Blockhead!!!
by chelinskir May 31, 2009
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The oldest known slag. First used by Anaeus in Greek mythology to the cyclops.

Generally meaning stupid.
by anon. February 8, 2004
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Someone who plays too much minecraft.
Bryan hadn't been outside in days, he's such a blockhead
by Lexingtonlexus August 26, 2022
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Someone who has been living under a rock and doesn’t know that they’re supposed to wear a mask when they go out.
Every time I go out (wearing a mask, of course) and I see a blockhead NOT wearing a mask, I die a little inside.
by Pialinist October 15, 2020
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