Potato john is a immortal who will appear in times of crisis in various forms but always has a goatee and a curly mustache refering to himself as potato john, johnson, or johnny
If you ever meet potato john prepare for the worst
There he was, standing in the field, potato john. Staring into the distance just to disapear seconds before the earthquake hit.
Similar to the bee's knees or the cats miaow.
Something awesome, cool or enjoyable.
Person 1: Have you been to that new restaurant??
Person 2: Yeah! It's the John's Potato!