Antonyms for the phrase "going halves" include various expressions that imply sharing, such as splitting evenly, dividing equitably or sharing fairly. Conversely, antonyms may include opposite phrases that imply a lack of sharing, such as taking it all, hogging or keeping to oneself. These antonyms may come into play when discussing situations in which one individual or group is unfairly taking a larger portion of resources, profits or opportunities. In such cases, phrases like "taking it all" or "hoarding" may be used to indicate a lack of cooperation or willingness to share, which can result in conflict, tension and dissatisfaction.