Wu Jie Cao
Definition: adj. To describe someone who speaks or act without the constraints of societal norms or standards; to be vulgar, crass or socially unacceptable.
How to use it:
A: This American cough drop commerial has the tagline “deep throat this”
B: Wow, that brand is wujiecao, as in it has no jiecao whatsoever.
A: Yeah, people are just wujiecao like that these days, Tsk tsk.
B: Where do you think i can buy some?