年下攻 [nián xià gōng ] n. Age+below+attack. The younger one on top. This Internet slang term refers to a homosexual relationship where the younger person is the top while the older person is the bottom.
This slang term is related to 耽美 [dān měi].
Japan
反差萌 [fǎn chā méng]
反差萌 [fǎn chā méng] n. Contrast+cuteness. This Internet slang term comes from the Japanese ACG subculture and refers to the adorableness accentuated by the contrast between a character’s sex and gender, age and appearance, biological age and psychological age, identity and personality, past personality and current personality, public persona and true personality, etc.
Reference: 1
萌新 [méng xīn]
萌新 [méng xīn] n. Cute newbie. This Internet slang term comes from the Japanese ACG culture and is often used to refer oneself.
軟妹 [ruǎn meì]
軟妹 [ruǎn meì] n. Soft+sister. Young women who are very feminine. Borrowed from the Japanese ACG culture, this Internet slang term is a little sexist.
賽高 [sài gāo]
賽高 [sài gāo] adj. Competition+high. The highest, the best, awesome. This Internet slang term comes from the Japanese ACG culture.
開畫 [kāi huà]
開畫 [kāi huà] v. Open+picture. Derived from Japanese, this Internet slang term refers to the first showing of a movie in theaters.
度娘 [dù niáng]
度娘 [dù niáng] n. Lady Baidu. Baidu. This Internet slang term comes from a cartoonized girl image that represents Chinese search engine Baidu.
NTR
NTR <Acronym> This acronym is short for the Japanese phrase “Ne To Ra Re” (寝取られ). It means someone else slept with one’s date or partner.
doki doki
doki doki n. Derived from Japanese, this Internet slang term refers to the sound made by a pounding heart due to excitement, anxiety, fear, intense physical activity, etc.
本命 [běn mìng]
本命 [běn mìng] n. Honmei. True feeling. This Internet slang term comes from the Japanese phrase “hon mei choco” (本命チョコ — true feeling chocolate — the chocolate given by women on Valentine’s Day to men whom the giver has romantic feelings for). In China, it often refers to your favorite star.
Reference: 1
Haha China 