Of all the varieties of goodies to nibble on, Nerds are very enjoyable. There are so many different flavors of Nerds, but they all have a few things in common. They are hard little nuggets of tangy sweetness. They melt in your mouth if you patiently rest them on your tongue, not biting but sucking. They even fizz a little if you take them by surprise and press them to the roof of your mouth.