"A Bite of Evil" by U.D.O. is a heavy metal song that depicts the transformation of a character into a nocturnal creature, possibly a vampire or werewolf. The lyrics suggest that the protagonist undergoes a physical transformation at midnight, with their fangs growing and fur turning black. They are filled with hatred, as seen in their glowing eyes, and there is no going back from this dark path they have chosen. The character hides in the moonlight and waits until dawn to disappear. They have a predatory nature and are ready to attack, with their hunger driving them to aim for their victim's neck. The chorus of the song emphasizes the character's violent and relentless nature. They howl and scream, causing bloody chaos wherever they go. The lyrics suggest that they revel in the destruction and bloodshed left in their wake. The title "A Bite of Evil" symbolizes the character's dark transformation and their unrelenting pursuit of evil deeds. They are determined to hunt down their victims and unleash their wickedness upon them. Overall, the song portrays the character's descent into darkness and their complete surrender to their evil nature. It showcases their thirst for blood and their predatory instincts.