Meaning of cornfed

corn•fed

Pronunciation: (kôrn'fed"), [key]
— adj.
  1. fed on corn: cornfed cattle.
  2. having a well-fed, healthy, and guileless appearance: the open enthusiasm of these handsome, cornfed youngsters.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.