Possible Clues:

• Overly self-satisfied
• Self-satisfied, giving sweets up
• Needing deflating
• Way too self-satisfied
• Complacent, son, gullible person
• Displaying an overconfident smirk
• Pompous up-starts getting under my skin
• Conceited, sticks around
• Apt to brag
• Heads of some military units get complacent