You could invest a ton of money in high powered air purifiers w/ carbon filters that you’re regularly changing + very rapid air circulation (what casinos do), but it will cost you a ton of money and make your smoking room loud as a jet engine.
Honestly - just make the investment in getting a good vaporizer or buy edibles, like an adult.
Intent wise, this has a lot of similar English phrases.
“Not the sharpest tool in the shed.”
“Not the brightest crayon in the box.”
“About as sharp as a marble.”
“A few fries short of a Happy Meal.”