walk all over somebody
walk all over (someone or something)
1. To use someone to further one's own selfish interests. You need to discipline your students so that they don't walk all over you.
2. To decisively beat an opponent. They might be the number one seed, but we're determined not to let them walk all over us.
walk all ˈover somebody(informal)
1 treat somebody badly, without considering them or their needs: Tell him what you think of him — don’t let him walk all over you like that.
2 defeat somebody easily: The only time I played chess with my wife, she walked all over me. ▶ ˈwalkover noun an easy victory: We beat them 12-0: it was a walkover.