tram‧ple [intransitive always + adverb/preposition, transitive]
to step heavily on something, so that you crush it with your feet
trample on/over/through etc
There was a small fence to stop people trampling on the flowers.
trample somebody/something underfoot
The children were in danger of being trampled underfoot in the crowd.
trample somebody to death (=kill someone by stepping heavily on them)
Several people were nearly trampled to death in the rush to get out.