(internet slang) used when news is so thrilling that everyone is rejoicing and spreading the word. It is an abbreviation of four idioms: 喜闻乐见 xǐ​wén​lè​jiàn, 大快人心 dà​kuài​rén​xīn, 普天同庆 pǔ​tiān​tóng​qìng, and 奔走相告 bēn​zǒu​xiāng​gào.