Related Clues:

• What's expected
• 'Look, ma, no cavities!,' e.g.
• Gasconade
• Toot one's horn
• Be immodest
• Be vainglorious
• Do some chest-thumping
• Blow one's own horn
• Big talk
• Sing one's own praises
• 'I'm king of the world!,' e.g.
• Talk the talk
• ''We're number one!'' is one
• "Veni, vidi, vici," e.g.
• Be a braggart