butt heads
verbEtymology From the activities of some horned animals, which compete by butting, or hitting, their heads against one another.
1
Idiomatic To argue uncompromisingly.
- They always seem to butt heads when they end up talking about politics.
- "Eventually, I just pieced it together, figuring your butting heads could probably be explained by a break up. Years of anime shipping trained me for this."2018 November 21, Jocelyn Samara D., Rain (webcomic), Comic 1101 - Rose:
2
To struggle against something that does not give way.
- For long spells, City butted their heads against Chelsea’s well-organised lines and the upshot was the end of their push to complete a treble.2021 May 29, David Hytner, “Chelsea win Champions League after Kai Havertz stuns Manchester City”, in The Guardian: