English version

bang/knock somebody’s heads together

From Longman Dictionary of Contemporary Englishbang/knock somebody’s heads togetherbang/knock somebody’s heads togetherspoken used to say that two people or groups should be forced to stop arguing and start to behave sensibly head
Examples from the Corpus
bang/knock somebody’s heads togetherHe caught hold of the two nearest him and knocked their heads together, kicked two more and grabbed the ringleaders.She'd just box a few ears, knock a few heads together like she did with the Rattries, and chase them off.
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