кабальная сделка(Unconscionability (sometimes known as unconscionable dealing/conduct in Australia) is a doctrine in contract law that describes terms that are so extremely unjust, or overwhelmingly one-sided in favor of the party who has the superior bargaining power, that they are contrary to good conscience. wikipedia.orgChingizQ)
неприкрытая наглость(highlights the unacceptable and hurtful nature of the behavior: The customer's unconscionable rudeness to the waiter led to him being asked to leaveTaras)