Possible Clues:

• Exults with malicious delight
• Is full of malicious pleasure
• Is smuglyhappy
• Is smug about having about fifty nannies
• One sounds so smug at having 22 across at last
• Is full of malicious delight
• Crows, maybe
• Indulges malicious pleasure
• Go with the last as one boasts of it
• Acts smug