灌水 [guàn shuǐ] v. Literally “to irrigate,” this Internet slang term is a metaphor for posting tasteless messages online.

水軍 [shuǐ jūn] v. Literally “waterborne troops,” this Internet slang term refer to the rumored people hired by PR firms for online marketing purposes. They post online to either support a brand or sabotage the brand’s competition.