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n. Informal
A stupid person; a fool.

[From the proverbial stupidity of sheep.]

mut′ton·head′ed adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


slang a stupid or ignorant person; fool
ˈmuttonˌheaded adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈmʌt nˌhɛd)

n. Informal.
a slow-witted, foolish person; dolt.
mut′ton•head`ed, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.muttonhead - a stupid personmuttonhead - a stupid person; these words are used to express a low opinion of someone's intelligence
dolt, dullard, pillock, poor fish, pudden-head, pudding head, stupe, stupid, stupid person - a person who is not very bright; "The economy, stupid!"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Our American cousins employ the word "muttonhead" in a derogatory fashion when describing what we in Glasgow might call a "tube", "clown" or "member of UKIP".
Abigail Adams was never less than thoughtful and sensible, and performed a major role in reigning in the darker emotions and superior views of her husband John, who once called George Washington "a muttonhead." She may have admired humility but Bobb is unable to demonstrate that in any serious way she embodied it.
But isn't this typical of this hapless muttonhead's life and luck?