独吃自疴dú chī zì ē

百独吃饭，自拉屎。比喻一人独吞利益，不顾别人。《二刻拍案惊奇》卷四：“何故苦苦贪私，思量独吃自疴，反把家里东西送与没些相干之人。”

独吃自疴dú chī zì kē

eat and shit alone—enjoy the interests alone; have sth all to oneself
❍ 何故苦苦贪私，思量～，反把家里东西送与没些相干之人。(《二刻拍案惊奇》四) Why are you so labourously selfish thinking of having everything all to yourself and giving your family belongings to people with whom you’ve got nothing to do at the same time?