How to get cigarette smoke off a brick wall?

Try Mean Green and use one of those microfiber dusters that lol like they are "hairy", shouldnt have to scrub too hard and you can wash that out,wring it a bit with your hands and rinse it in the sink as you go so.you are.getting a clean cleaning surface... mean grenade can be sprayed on dirextly, let it soak a few minutes then wash it off...worked for me

Here's an article about cleaning brick. It might take more than one application. Good luck! http://www.diynetwork.com/how-to/maintenance-and-repair/cleaning/how-to-clean-brick

Here is an article that might be helpful for you - https://www.hunker.com/12369717/how-do-i-remove-cigarette-smoke-odor-from-interior-brickwork - good luck

A relative of mine purchased a smoker's house because of the low price. She has spent the last 3 years repainting and removing carpeting. She cleaned the fireplace brick with a commercial cleaner recommended by Lowes and then painted the brick. The house looks amazing and you can no longer smell the smoke. I live with a cigar smoker and so have to clean ceilings and walls often plus paint every other year. Good luck!