Place the vanilla wafers and pecans in a food processor, whirl until finely crushed. Add the icing sugar and cocoa and blend.
In a small bowl mix together the rum, Kahlua and corn syrup. Pour into the food processor while it is running. Stop when it is all just mixed together.
Roll into balls and dredge in your favorite topping. Store in a tin until ready to serve.
Nutrition calculation is an estimation only. If you need nutritional calculations for medical reasons, please use a source that you trust.