Related Clues:

• Truly mad
• Ready for the rubber room
• Half-baked
• Round the bend
• Outrageous
• Irreparably cracked
• Utterly ridiculous
• Off the deep end
• Beyond daring
• Not playing with a full deck
• A few fries short of a Happy Meal
• Beyond hectic
• Utterly senseless
• Touched and then some
• Crazy, insane