The phrase "shameful way" refers to behaving or performing an action that brings embarrassment, guilt, or a feeling of disgrace to oneself or others. Full definition
This again is shameful behavior on the part of the master, but it explains why two servants behaved in such shameful ways — they have a shameful master. (redeeminggod.com)
Pak Song Il told the Washington Post on Monday that Pence's visit «only shows how weak their motives are and how shameful their ways of thinking are.» (businessinsider.com)
It's the mantra of the non-believers played over and over again for you to believe as you continue your sinful, shameful ways sucking up oxygen on our God given planet. (religion.blogs.cnn.com)