Related Clues:

• A little loopy
• Round the bend
• Mentally unbalanced
• Wigged out
• A little batty
• Mildly deranged
• Slightly off
• 'Harder, Better, Faster, Stronger' band ___ Punk
• Slightly eccentric
• Not playing with a full deck
• A bit loopy
• Slangily crazy or scatterbrained
• Informally crazy or feather-headed
• Informally silly or foolish
• Foolish, silly