have it out

have it out (third-person singular simple present has it out, present participle having it out, simple past and past participle had it out)

1. To argue in order to air or resolve a conflict.

   I've been unhappy about her behaviour for some time, and last night we finally had it out.

2. (with with) To confront (someone) with a view to settling a conflict.

   I'm not standing for this. I'm going to go and have it out with her right now.