KOOK

Flake

• An eccentric

• Common slur on political talk radio

• Crackpot

• Crazy one

• Ding-a-ling

• Eccentric

• Eccentric individual

• Eccentric one

• Eccentric sort

• Fruitcake

• Lunatic

• Nut

• Nut case

• Nut job

• Nutball

• Odd sort

• Oddball

• Off-the-wall sort

• Screwball

• Wack job

• Wacko

• Wacky one

• Weirdo

• Someone regarded as eccentric or crazy and standing out from a group