吹牛

chuīniú
  1. to talk big
  2. to shoot off one's mouth
  3. to chat (dialect)

CEDICT

dialect

Entry Composition

1 吹 chuī
  1. to blow
  2. to play a wind instrument
  3. to blast
  4. to puff
  5. to boast
  6. to brag
  7. to end in failure
  8. to fall through
2 牛 niú
  1. ox
  2. cow
  3. bull
  4. newton (abbr. for 牛顿 niúdùn)
  5. (slang) awesome

classifiers: 條, 頭