Similar to a Sugar Daddy, except the boy is the same age as the girl or slightly younger. Usually in their late teens-mid 20s, usually treating a girl for a higher social status or sexual favors
Girl 1: "Why does she even try to like him, it's so obvious she doesn't."
Girl 2: "Two words, Boy Bank."
Girl 2: "Two words, Boy Bank."
by DazzTheCornerKid December 27, 2017