The term 'NO-NOS ON SOME DIETS' can be summarized by the crossword solution CARBS, which stands for carbohydrates. Carbohydrates are a type of macronutrient found in many foods, such as grains, fruits, and vegetables. They are an important source of energy for the body, but some diets restrict their consumption due to their high calorie content. Therefore, CARBS are often considered 'no-nos' on certain diets.