at outs
No longer speaking or on friendly terms (with someone); having a dispute or angry (with someone). Jen and I have been at outs ever since she accused me of stealing her bike. Can I come crash at your place? I'm at outs with my wife at the moment.
at outs
at variance or enmity. A North American variant of this expression is on the outs .
1997 A. Sivanandran When Memory Dies Now the land had been taken from him…He was at outs with the world.