Possible Clues:

• '___ of life, an imp of fame; / Of parents good ...': 'Henry V'
• 'When I Was --' ('H.M.S. Pinafore' song)
• "When I Was —"
• "When I was __ ... ": "H.M.S. Pinafore" lyric
• Gilbert and Sullivan's 'When I Was --'
• 'When I was ___ ...' ('H.M.S. Pinafore' lyric)
• 'When I was ___ ...' ('HMS Pinafore' song starter)
• "__-in His Lamp": Bugs Bunny cartoon
• ''When I was ___'' (''H.M.S. Pinafore'' line)