/ Dictionary / Index F fathead: Meaning and Definition of Find definitions for: fat•head Pronunciation: (fat'hed"), [key] — n. a stupid person; fool. sheephead. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fathead (Thesaurus) fath fatheaded Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language