Related Clues:

• Said 'mea culpa,' say
• Diverge (anag)
• Felt remorse over
• Kicked oneself over
• Reacted to a corny joke
• Reacted to a bad pun, say
• "Groaned" partner
• Wished for a redo
• Had regrets about
• Sounded like someone in pain
• Was unhappy about drive round much of Europe, heading west
• Kicked oneself about
• Expressed disappointment about (something)
• Regretted being churlish, by the sound of it?
• Wished could be undone