bang (someone's) heads together

bang (someone's) heads together

To forcefully make two or more people act, behave, or think in way that is appropriate or necessary. We're so far behind because your team keeps procrastinating. You need to go in their and bang their heads together. She claimed she would go into the negotiations and bang everyone's heads together until a deal was reached.

See also: bang, head, together

bang (or knock) people's heads together

reprimand people severely, especially in an attempt to stop them arguing.

1998 Community Care There are few signs yet that the SEU has been willing to bang government heads together over social security policy.

See also: bang, head, together