Do I have to paint you a picture?

Do I have to paint (you) a picture?

Do I have to explain it in very simple or basic terms? An annoyed response to someone who does not understand what the speaker is alluding to, especially when the speaker believes it to be obvious. A: "What are you so worried about?" B: "Do I have to paint you a picture? He's going to fire me for what happened in Chicago!" A: "I just don't want to end up paying more taxes because of this law." B: "It has nothing to do with your taxes! Do I have to paint a picture or something for you to get that?"
See also: have, paint
Farlex Dictionary of Idioms.

Do I have to paint (you) a picture?

and Do I have to draw (you) a picture?
interrog. Do you understand yet?; How simple do I have to make it for you? This is supposed to be easy. Do I have to paint a picture? Do I have to draw a picture? It’s really simple if you pay attention!
See also: have, paint
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • Do I have to paint (you) a picture?
  • Do I have to paint a picture?
  • Do I have to spell it out (for you)?
  • Do I have to spell it out?
  • Do I need to paint (you) a picture?
  • Do I have to draw (you) a picture?
  • Do I have to draw a picture?
  • Do I have to draw you a picture?
  • Did I stutter?
  • I'll thank you to (do something)