ride roughshod over, to

ride roughshod over someone or something

 and run roughshod over someone or something
Fig. to treat someone or something with disdain or scorn. Tom seems to ride roughshod over his friends. You shouldn't have come into our town to ride roughshod over our laws and our traditions.
See also: over, ride, roughshod

ride roughshod over

Act without regard for the feelings or interests of others, as in She just forges on, riding roughshod over her colleagues. This term alludes to the practice of arming horses with horseshoes mounted with projecting nails or points, which both gave them better traction and served as a weapon against fallen enemy soldiers. By 1800 it was being used figuratively for bullying behavior.
See also: over, ride, roughshod

ride roughshod over

carry out your own plans or wishes with arrogant disregard for others.
1977 Times Literary Supplement Sociologists are notorious for their use of generalizing terms that ride roughshod over the particularities of history.
See also: over, ride, roughshod

ride roughshod over

To treat with brutal force: a manager who rode roughshod over all opposition.
See also: over, ride, roughshod

ride roughshod over, to

To act without consideration for another’s feelings or interests. The term comes from the seventeenth-century practice of arming cavalry horses with horseshoes mounted with projecting nails or points. This not only gave the horses better footing on slippery terrain but also served as a weapon against fallen enemy troops. Within the next hundred years or so the term was transferred to domineering behavior, overriding others without regard or respect. An 1861 issue of the Saturday Review stated, “We have ridden roughshod over neutrals in our time.”
See also: ride, roughshod