Chocolate Crunch Chuckle

Pour chocolate syrup, sugar, 1 cup heavy cream, milk, and vanilla into blender. Blend on high speed for 10-15 seconds. Divide mixture evenly into eight tall glasses filled with several ice cubes. Fill remainder of glass with soda water. Stir gently. Garnish each glass with a puff of whipped cream and sprinkle of finely grated nuts.