Honey Pie is often used as a term of endearment and might literally mean 'sweet one'.
Similar terms of endearment meaning literally the same thing could well be considered such as: 'Sweety Pie', 'Sugar Pie' and 'Honey Bunch'.
Such phrases are oft heard from those native to the South and South Eastern USA. These expressions are commonly used in public and heard between complete strangers who have never met before. In such situations, the expression does not at all suggest a heart felt emotion but rather is expressed as a greeting of friendliness.
Now, 'y'all run along now and play nice.
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