Related Clues:

• It causes one's head to swell
• I focus
• Type of trip
• It may need a boost
• ''I'' problem
• It may be massaged
• Conceit
• Super ending
• Freudian subject
• Heady feeling?
• Self-confidence
• Problem for a 'maniac'
• Conceited trip
• Trip taker?
• Mediator's challenge