Possible Clues:

• ''Alas,'' updated
• 'That really sucks!' to a farmboy from like the '40s or '50s
• “Bummer!”
• ''Bummer!''
• “What a bummer!”
• 'What a shame'
• 'Wow, you shouldn't have ...'
• “Golly!”
• “Well, shucks!”
• Possible reaction to a flatterer