lock horns

US /lɑːk hɔːrnz/

UK /lɑːk hɔːrnz/

1.

to argue or fight with someone

:

•

The two politicians often lock horns over economic policy.

•

I knew we would lock horns eventually on this issue.

:

clash contend disagree dispute quarrel

:

horn horned lock lock into lock in horned owl horned viper