Crazy as a loon synonyms | phrases

Phrases with similar meaning for Crazy as a loon

• around the bend

  insane
• mentally ill

  insane
• mad as a hatter

  insane
• not all there

  insane
• nutty as a fruitcake

  insane
• of unsound mind
• sick in the head
• stark raving mad
• out to lunch
• nutty as fruitcake
• not there
• out-to-lunch
• in a daze
• in another world
• bummed out
• in the ozone
• in a towering rage
• browned off
• bent out of shape
• hopping mad
• on the warpath