beat oneself up

beat (oneself) up

To continually criticize or question oneself, usually about something that one cannot change. Oh, honey, I know you're upset about failing the driver's license test, but try not to beat yourself up too much. I've been really beating myself up about that fight I had with my mom. I wish I could take back a lot of the things I said.
See also: beat, up

beat oneself up

Fig. to be overly critical of one's behavior or actions; to punish oneself with guilt and remorse over past actions. (Not a physical beating. Fixed order.) It's over and done with. There's no need to beat yourself up. He's beating himself up over his role in the accident.
See also: beat, up