The phrase "no-nos" refers to things that are not allowed or frowned upon. Some antonyms for this phrase could be "yes-yes," which would suggest things that are encouraged or permitted. Other antonyms might include "acceptable," "allowed," "permitted," "appropriate," and "tolerated." These words would all suggest that certain actions or behaviors are not only allowed but also acceptable or even desirable. While "no-nos" are things that we should avoid or refrain from doing, these antonyms emphasize actions or behaviors that are positive, desirable, and encouraged. They help us to focus on the things we should do, rather than simply the things we should avoid.