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.
See also: on, out
Farlex Dictionary of Idioms.

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.
See also: on, out, someone
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • at outs
  • on the outs
  • on the outs (with one)
  • get on (one's) bike
  • get on your bike
  • get off (one's) bike
  • get off your bike
  • skin the bear at once
  • on your bike
  • On your bike!