When you a ginger and you be devouring/deepthroating a chicken bacon and mayo panini. Also you have to be named/nicknamed jammo. Only Jammo's are allowed to eat this fine cuisine.
a jammbox is just a really cool person. it is normally used for people who are not only really cool, but have delicious music taste. females are more often called jammboxes than males.
Someone who is described as swaggy, would also be described as a soul lover and namjoon lover. Nobody could compare to a person who is described as a jamnoon.