Related Clues:

• Off the wall
• Haywire
• Out of one's gourd
• In ___ parentis (legal doctrine)
• Daft
• Like some jobs
• Uncanny
• Out there, a bit
• Batty
• Like 1 or 7
• 'That's ___ ...'
• Freakish
• Quite strange
• Unpaired
• Missing a few marbles