To equip the PhD Flopper perk in Black Ops 6 Zombies, you must purchase it from the Perk-a-Cola Machine, which can be found in different locations across the map.

Fan-favorite Call of Duty Zombies feature, PHD Flopper, is returning in Modern Warfare 3 Zombies. First introduced in Black Ops, the Perk-a-Cola feature is one of the funniest ways to kill the ...

This chess piece will begin to follow the player who summoned it, releasing a PHD Flopper blast each time it moves. If any zombie is unfortunate enough to be in its path, it may very well be ...