Jugger-Nog is a recurring Perk-a-Cola associated with increased player durability in Call of Duty Zombies. The perk debuted on Verrückt, a Zombies map released for Call of Duty: World at War in 2009. Its machine and retro commercial-style music became familiar elements across later entries in the mode. Short uploads of the tune spread through gameplay videos, fan edits, soundboards, and nostalgic compilations. It remains popular because players immediately connect it with extra health, safer high-round runs, and the distinctive atmosphere of Zombies.