Sonny Jim
an exclamation of surprise and/or embarrassment. akin to "holy shit" or "dang nabbit". Often uttered by the elderly.
Example:
Cletus: "Hey Bill! You left the tacklebox on that there dock!"
Bill Dance: "Sonny Jim, you're right."
Cletus: "Hey Bill! You left the tacklebox on that there dock!"
Bill Dance: "Sonny Jim, you're right."