Can you get marijuana out of your system with vinegar?

Yea, but not something you're gonna want to do. You can do these.

1. buy a drink from a smoke shop, some go from 20-50 dollars, cheap ones work fine. Just follow the directions exactly, you'll have to drink water and pee and you get like a 4 hr window to pass a test. People will tell you the labs will detect you're using a masking agent, but it's never happened to me and I've used these every time (3 times) this is the quickest most likely way to get it out.

2. cranberrey juice, lots of it and not cranberry mixed with some other crap. don't know how much but I assume a bottle a day for 2-3 days, plus water and exercise should do.

3. a ton of water and exercise.