wondered how long it would take the dunderheads at the head office to screw things up
Recent Examples on the WebThe story’s hero, Nat (no last name given) is a classic le Carré character, a skilled mid-level field operative in the secret British intelligence services who is underappreciated and sometimes abused by the dunderheads above him. Richard Lipez, Washington Post, 17 Oct. 2019
Word History
Etymology
perhaps from Dutch donder thunder + English head; akin to Old High German thonar thunder — more at thunder entry 1