don't cut yourself on that edge

• Various constructions, e.g. "be careful not to cut yourself on that edge".

don't cut yourself on that edge

1. A retort to a person perceived as being edgy (exhibiting behavior that is disconcerting or alarming, sometimes in an effort to impress or to troll others: to try to be an edgelord).
   • 2021, Savannah Brown, The Things We Don't See:

     'You are a cantankerous bitch and I do not care if you live or die.'
     'Same.'
     'Don't cut yourself on that edge.'

• over the edge