from The Century Dictionary.
- Foolish; wandering.
Sorry, no etymologies found.
“Avast that, God-damn your blind eyes, you fucking lubbing idle-brained shit-for-wits idiot!” roars Crozier.
If you do, you are much mistaken; and I am astonished that you will permit the whims and freaks of an idle-brained and silly-hearted girl to so unman you. "