blockhead

verb2

1. •
   To perform as a human blockhead.

   • Like an old-time sideshow, the acts included lying on a bed of nails, blockheading and, of course, fire-eating. — 2007
2. •
   (rare) To behave in a stupid manner.

   • Two years' blockading made fair Malta ours: A noble struggle! -- yet 't is thought (at Rading) That Britain's island shews superior pow'rs, To bear, and to survive, two years blockheading ! — 1804

noun2

1. •
   (informal) A stupid person.

   • [S]o I think, blockheads, said Manfred; what is it has scared you thus? — 1764
2. •
   Short for human blockhead

   • Waldo was sent that from an elderly blockhead named Fuzzy in Gibtown, Florida. That's the town to which most freaks retire. — 2005

noun1

1. •
   (slang) A fan of the American boy band New Kids on the Block.

   • McCartneymania seemed to be a chance for the parents of Blockheads, the kids who swarmed the New Kids on the Block last week, to do a little gawking of their own. — 1989