► 動詞踏み躙る  [(4)ふみにじる]    
meaning:  destroy  rank: 3☆ 
彼は
人の
好意を踏みにじった ⇨ He stomped on, destroyed, another person’s goodwill  
(☛ Literally means to step on something and then rub it hard against the ground)More examples:- 人の心を土足で踏み躙るような行為 ⇨ Rude behavior as if to tread on someone’s mind with muddy shoes