You could just wait until someone bitches and take a drink. Last I was at the office, I chatted with a coworker in their cubicle and at first they put up their mask. Then I explained I was drinking and immune from COVID, to which he said he too was drinking and pulled down his mask. We both nodded in agreement with silent understanding.
I try to do this whenever I'm at a restaurant
You could just wait until someone bitches and take a drink. Last I was at the office, I chatted with a coworker in their cubicle and at first they put up their mask. Then I explained I was drinking and immune from COVID, to which he said he too was drinking and pulled down his mask. We both nodded in agreement with silent understanding.