喜大普奔

xǐ dà pǔ bēn

(of news etc) so thrilling that everyone is rejoicing and spreading the word (Internet slang)

acronym from 喜聞樂見|喜闻乐见[xi3 wen2 le4 jian4], 大快人心[da4 kuai4 ren2 xin1], 普天同慶|普天同庆[pu3 tian1 tong2 qing4] and 奔走相告[ben1 zou3 xiang1 gao4]

喜

xǐ

to be fond of

大

dà

big; large; great

普

pǔ

general

奔

bēn

variant of 奔[ben1]