Possible Clues:

• Stretch one's diphthongs
• Talk like Jimmy Stewart
• Speak slowly and protractedly
• Seem a bit slow, so to speak
• Dixie talk
• Actor James Stewart's way of talking
• To produce a picture over half a century is to do it slowly, in a manner of speaking
• Say 'y'all,' say
• Drag dr-drill
• Speak lazily with long vowel sounds