An amount of money that you would spend on another person for their love & attention, like for a senpai or another high ranking person. Whether the person you want love and attention from is someone emotionally attach to you or just someone famous in general is up to you.
"She is worth a Brazillian Dollars"
"I spend all of my money on him for his love and have him notice me. I would spend a Brazillian Dollars on him."