Verb
(idiomatic) To argue uncompromisingly.
They always seem to butt heads when they end up talking about politics.
To struggle against something that does not give way.
Source: en.wiktionary.orgI would never butt heads with Rob Zombie. I don't know anybody that's in acting that ever butted heads with Rob Zombie. I adore Rob. I adore him. I adore working with him. I adore knowing him. I'm happy to consider myself a friend and someone who he hires. I just think he's great. Dee Wallace