BLOCKHEAD

dunce, dunderhead, numskull, blockhead, bonehead, lunkhead, hammerhead, knucklehead, loggerhead, muttonhead, shithead, dumbass, fuckhead

(noun) a stupid person; these words are used to express a low opinion of someone’s intelligence

Source: WordNet® 3.1

Etymology

Noun

blockhead (plural blockheads)

(colloquial) A stupid person.

A sideshow performer who hammers nails or similar items through his or her nostril into the nasal cavity; human blockhead.

Synonyms

• See also idiot

Verb

blockhead (third-person singular simple present blockheads, present participle blockheading, simple past and past participle blockheaded)

To perform as a human blockhead.

(rare) To behave in a stupid manner.

Anagrams

• headblock

Source: Wiktionary

Block"head` (, n. Etym: [Block + head.]

Definition: A stupid fellow; a dolt; a person deficient in understanding. The bookful blockhead, ignorantly read, With loads of learned lumber in his head. Pope.

Source: Webster’s Unabridged Dictionary 1913 Edition