be at each other's throats
(Of people or organizations) quarrel or fight persistently: they were always at each other’s throats...- Are we always going to be at each other's throats?
- They're always pictured in the history books as being at each other's throats…
- When I first met Josh, we were at each other's throats for a long time; we would fight, we would hate each other.
See parent entry: throat