社牛

shèniú
(slang) extreme extrovert; socially fearless person (abbr. for 社交牛逼症 shèjiāoniúbīzhèng)

CEDICT

slang

Entry Composition

1 社 shè
  1. (bound form) society; organization; agency
  2. (old) god of the land
2 牛 niú
  1. ox
  2. cow
  3. bull
  4. newton (abbr. for 牛頓 niúdùn)
  5. (slang) awesome

classifiers: 條, 頭