The head of the research lab fell out with his boss over pay for the people who worked there.I don't want to fall out with you over something so silly.
(redirected from fall out with)
fall out with (someone)
To have one's relationship with someone completely diminished, typically due to an argument or unpleasant incident. Apparently, Gina fell out with Dave last week, and now they're not talking to each other at all.