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

Adjective: birdbrained  'burd,breynd
  1. (informal) stupid, slow witted or dull
    "She is the birdbrained redhead who gets into ridiculous trouble";
    - blockheaded, boneheaded, duncical, duncish, fatheaded, loggerheaded, thick, thickheaded, thick-skulled, wooden-headed, pea-brained, muttonheaded, thick-witted

See also: stupid