what with something

what with

Due to; because of; taking (something) into consideration. I'm sorry, but I can't help you move this weekend, what with my bad back and all. What with the IRS audit and pressure from investors, I don't think we're in a position to be moving around funds like that right now.
See also: what
Farlex Dictionary of Idioms.

what with something

(informal) because of something or a series of things: What with the weather and my bad leg, I haven’t been out for weeks. I haven’t had time to sit down, what with one thing and another.
See also: something, what
Farlex Partner Idioms Dictionary
See also:
  • what with
  • it's too late for sorry
  • save (one's) own bacon
  • save (one's) own neck
  • stick it to the man
  • small time
  • small-time
  • in a sorry state