you just don't get it

you just don't get it

You don't understand. The statement often refers to something that affects the speaker emotionally. A: "It stinks that you're injured right now, but there's always next year." B: "You just don't get it—so many scouts are coming out for the championship that it's a huge missed opportunity!"
See also: get, just
Farlex Dictionary of Idioms.

You just don't get it!

Inf. You really don't see what people are trying to tell you! (Also with subjects other than second person.) You just don't get it! People avoid you because you offend them.
See also: get, just
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

you just don't get it

see under get it, def. 2.
See also: get, just
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • You just don't get it!
  • have (one's) heart in (something)
  • have your heart in
  • stink to high heaven
  • where (one) is at
  • where (one's) head is at
  • where head is at
  • where is at
  • where someone is at
  • where someone’s head is at
References in periodicals archive
You go through the motions of school, doing fine in one class but completely floundering in another, believing the whole time that you just don't get it. Or, worse, that you're not good enough at math or don't read well enough for literature.