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Wiktionary
come down on

alt. (context transitive English) to punish vb. (context transitive English) to punish

Usage examples of "come down on".

When the hub bumped it, the timber snapped, and the beam it had supported tumbled down, allowing a sluice of rock to come down on them.

We can follow the core space forward and come down on the upper levels from the central axis space.