/ Dictionary / Index C clunkhead: Meaning and Definition of Find definitions for: clunk•head Pronunciation: (klungk'hed"), [key] — n. Slang. a stupid or foolish person. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. clunker clunky Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language