Related Clues:

• Bubble-headed
• Clueless
• In la-la land
• Lightheaded
• Scatterbrained
• Not very logical
• Addlebrained
• Empty-headed
• Easily addled
• Airheaded
• Bubbleheaded
• Spaced out
• Like an airhead
• Like Phoebe on "Friends"
• A little loopy