Definition of not know if one is coming or going in English:

not know if one is coming or going

phrase

informal
  • Be confused, especially as a result of being very busy.

    • ‘Well - that's been one heck of a week and I don't know if I'm coming or going!’
    • ‘My body is doing so many odd things I don't know if I'm coming or going.’
    • ‘I have watched my husband take a significant pay cut and seen his schedule sliced and diced till he doesn't know if he's coming or going.’