- stupid; dull-witted.
Origin of fat-witted
First recorded in 1590–1600
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for fat-witted
Bacon's college, in his "New Atlantis," moved the risibles of fat-witted Oxford.The Works of Whittier, Volume VII (of VII)
John Greenleaf Whittier
The fat-witted people in the City are not nice in their eating, quantity being more closely considered by them than quality.