trample down
To flatten and crush someone or something by walking or running on top of them or it. The bulls trampled several tourists down as they stampeded through the city. Make sure the kids don't trample down my flowers.
trample someone or something down
to crush down someone or something with the feet. Stay out of crowds at rock concerts. Those kids will trample you down if they get excited. The cows trampled down the stalks of corn.