crackbrained
- s insanely irresponsible
- To show business, the barter idea sounded as crackbrained as opening a theatre at the bottom of a well.
- Commandant Jack Clitheroe (Clive Geraghty) of the Irish Citizen Army is a crackbrained patriot who is willing to die for his country but not to live for it.
- Back in CNN's infancy, when he was dismissed as crackbrained and soon to be bankrupt, Ted Turner sensed the wonders to come.