Bring water to a boil; add sugar and coffee granules, stirring until dissolved. Stir in chocolate syrup. Store in refrigerator.
Ice Cream Sundae: Half 1 banana; top with 2 scoops vanilla ice cream. Combine 3 tablespooons Coffee Syrup and 1 teaspoon orange liqueur; drizzle over ice cream. Top with whipped cream and chopped almonds.