Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Adjective: fatheaded  'fat'he-did
  1. (informal) stupid, slow witted or dull
    "Anyone know how Lawrence got to be such a fatheaded bigot?";
    - blockheaded, boneheaded, duncical, duncish, loggerheaded, thick, thickheaded, thick-skulled, wooden-headed, birdbrained, pea-brained, muttonheaded, thick-witted

See also: stupid