The phrase "get one's act together" is usually used when someone is told to organize themselves, their life, or their actions. Antonyms for this phrase could be "fall apart," "lose control," "scramble," or "disintegrate." These words indicate a lack of organization or focus, which is the opposite of getting one's act together. Other antonyms that could be used include "procrastinate," "waste time," or "neglect," all of which indicate a lack of action or effort towards achieving goals. It's important to remember that getting one's act together is about taking responsibility and making an effort to get organized, rather than falling into chaos and disarray.
