The antonyms for "sat on butt" are phrases that suggest physical activity or movement. Some examples include "engaged in exercise," "went for a run," "took a brisk walk," "worked out," "participated in sports," or "performed a physical task." These opposing phrases represent a commitment to physical health and are essential in combating sedentary lifestyles. Regular exercise has many benefits, including reducing the risk of developing chronic illnesses, improving mood, increasing energy levels, and enhancing overall well-being. Thus, it is essential to engage in physical activity regularly and not spend too much time "sitting on one's butt.