As the rapid development of Chinese economy and process of urbanization, lots of catchwords popped up among common Chinese people, which widely spread through internet. Usually, traditional Chinese language featured with various kinds of literal forms and different meanings in different occasions. Those catchwords often own an improper even eccentric literal form and are endowed with unexpected meanings that you can barely learn from the language training classes.
Xiu4 dou4（秀逗）, anyway, is one of those buzzwords appeared in the Chinese society. From the very look of this unique phrase, you can hardly figure out its actual meaning.”Xiu4”（秀）is a common word widely used among Chinese folks, it is usually used to describe the personal quality of elegancy owned by a man or woman who were regarded as upper classes in the olden time of China. At the same time, “Dou4”（逗）is a verb in the Chinese grammar that you can learned from the attended Chinese lessons. It means to play a trick with someone else. The use of this word is familiar with that of make fun in English. However, if you put those two words together, you must find that it is impossible to get this combination of words through in a usual thought. You can even find it becomes ridiculous.
Actually, the authentic meaning of this phrase is quite different from what it looks like. It is used to describe some people who make a stupid or bad choice when facing an apparent and complain situation. Those kinds of people often been regarded as the one who has a problem in their head or owns lower intelligent quality. If you have a friend who always doing stupid thing or giving silly suggestions, you use this phrase “Xiu4 dou4” to describe his behavior.