牛皮大王

niúpídàwáng

braggart; boaster

Wiktionary

Entry Composition

1 牛皮 niúpí
  1. cowhide
  2. leather
  3. fig. flexible and tough
  4. boasting
  5. big talk
=2 大王 dàwáng
  1. king
  2. magnate
  3. person having expert skill in something
=2 大王 dàiwang
  1. robber baron (in opera, old stories)
  2. magnate