Related Clues:

• Pride got worse showing off degree in selfish display
• Vanity voyage
• Booster from European work jaunt
• Self-promotional autobiography, for its writer
• Retweeting of rave reviews, possibly
• Selfish behaviour
• Self-inflating action causing dreadful riot with Peg
• Self-indulgent bout, say, with trio playing piano
• European fetched epitaph for vain journey
• Selfish morale boost
• Peugeot tyre is regularly given pressure for self-inflation
• Narcissistic indulgence
• Self-indulgent act
• Self-gratifying pursuit
• Vainglorious course of action