Warheads Sour Soda - the new mega-hit from Warheads! The Watermelon-flavored Sour Soda Warheads is one of the biggest favorites among all the flavors of Warheads Sour Soda. At first, you'll experience the fresh and sweet taste of watermelon - but wait! Warheads Sour Soda Watermelon will give you goosebumps with its super sour flavor! For all of you who love sour candies, we, at Asia Foods, highly recommend trying something from the wonderful and DELICIOUS assortment of Warhead Sour Soda!