It means teasing the opposite sex, mostly from men to women. The word comes from a stalk of Baidu Post Bar, which is a sexual suggestion.
During the one-week period after the posting, the "6 yuan Mala Tang Incident" spread like an explosive speed, which began to spread in Baidu Post Bar, and was later led to forums and Weibo.
Later, the truth of the post began to emerge slowly, and a large number of advertising information began to appear in the comments. Almost all the relevant information can be seen in the comments in major forums or other posts. Later, it was confirmed that the incident was planned and guided by a condom brand.