on the outs with someone
on the outs (with one)
No longer speaking or on friendly terms (with one); having a dispute or angry (with one). Jen and I have been on the outs ever since she accused me of stealing her bike. Can I come crash at your place? I'm on the outs with my girlfriend at the moment.
on the outs (with someone)
mod. in a mild dispute with someone; sharing ill will with someone. Tom has been on the outs with Bill before. They’ll work it out.