The term "sate on one's butt" refers to a state of inactivity or laziness. Some antonyms for this phrase could include being active, productive, energized, or motivated. These words convey the opposite meaning of sitting around and doing nothing. They suggest that one is engaged in activities that require movement, effort, and enthusiasm. Other antonyms could include being dynamic, lively, ambitious, determined, or driven. These words imply a sense of purpose and direction, which is the opposite of being stagnant or complacent. Ultimately, choosing antonyms for the phrase "sate on one's butt" depends on the context and the desired meaning.