duàn xiù zhī pǐ
指男子搞同性恋的丑恶行径。
lit. cut sleeve (idiom); fig. euphemism for homosexuality, originating from History of Western Han 汉书:emperor Han Aidi (real name Liu Xin) was in bed with his lover Dong Xian, and had to attend a court audience that morning. Not wishing to awaken Dong Xian, who was sleeping with his head resting on the emperor's long robe sleeve, Aidi used a knife to cut off the lower half of his sleeve.
第1个字是断的成语：断烂朝报、断章截句、断墨残楮、断羽绝鳞、断壁残璋、断简遗编
第2个字是袖的成语：断袖之宠、断袖余桃、两袖清风、摆袖却金、捰袖揎拳、长袖善舞
