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fathead

American  
[fat-hed] / ˈfætˌhɛd /

noun

  1. Slang. a stupid person; fool.

  2. sheephead.

  3. fathead minnow.

fathead British  
/ ˈfætˌhɛd /

noun

  1. informal a stupid person; fool

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • fatheaded adjective

Etymology

Origin of fathead

First recorded in 1830–40; fat + head

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.