In the service industry: An employee or owner of a business uses all their discretionary power against a customer who is consistently an asshole. This is a hidden tax since people in service are rarely allowed to call assholes on their behavior.
Alice: You could have totally given that guy a discount.
Bob: He always ask for a discount.
Alice: Oh, well. I guess he just paid the asshole tax.
Carol: Why didn't you hold it for me.
Dave: I was too busy cleaning up after you.
Eve: Why won't you take that guys return.
Frank: He returns something every week, he needs to pay the asshole tax.