Related Clues:

• The 'I' of Claudius I
• Kind of boost or trip
• Source of conceit
• It might swell when being massaged
• It can be bloated
• Something inflated with hot air?
• Mental image of a sort
• Diva's affliction
• Swelled-head source
• Psychoanalyst's subject
• Sense of self-importance
• Sartre's 'The Transcendence of the ___'
• Collaboratory obstacle
• Type of boost or trip
• A conceited person has a big one