The phrase "chewed the rag" carries a colloquial meaning of having a long, often tedious conversation. Some antonyms to this phrase could be "concise exchange," "brief encounter," or "short chat." These terms can connote a similar concept of communicating with another person, but with a more expedited and succinct approach. The use of antonyms for "chewed the rag" could also suggest a more formal or professional setting, such as a business meeting, where time is of the essence and the conversation must be kept to the point. Regardless of the situation, the use of precise language can help convey the intended message more effectively.