Possible Clues:

• "Golly!"
• People in SUVs? Ones like Virginia — heavens!
• Going under vehicle, the Queen's an original American character — that's not on! Good Lord!
• Popular 1938 song and jazz standard, written by Harry Warren and Johnny Mercer
• I say derisive utterances about record attributed to native American chap — that's not on!
• "Yikes!" to a poet
• My military truck strays round loose stones on exercises
• Quaint cry of surprise
• Surprise to hear vehicle is hers, as is that rogue of hers
• *'Omigosh!' [1938]