do badly by (someone)

do badly by (someone)

To treat one poorly or disrespectfully. I know I did badly by Colin by not showing up for our study date—I should have at least called him.
See also: badly, by
Farlex Dictionary of Idioms.
See also:
  • be badly turned out
  • be well, badly, etc. turned out
  • badly off for (something)
  • do badly by (one)
  • come out badly
  • go down badly
  • go down well, badly, etc.
  • badly off
  • hit (one) when (one) is down
  • kick (one) when (one) is down