roughshod
From Longman Dictionary of Contemporary Englishroughshodrough‧shod /ˈrʌfʃɒd $ -ʃɑːd/ adverb → ride roughshod over somebody/somethingExamples from the Corpusroughshod• If he thought he could trample roughshod over her plans, just as he pleased, he had a lot to learn.• In particular it has attempted to take on board community aspirations and local authority plans rather than ride roughshod over local wishes.• Instead they set out to ride roughshod over the legislative branch, attempting to govern without congress rather than with it.