榆木脑袋

榆木腦袋
yúmùnǎodai
  1. (coll.) thickhead
  2. (coll.) thick skull (i.e. the brain of a thickhead)

CEDICT

colloquial

Entry Composition

1 榆木 yúmù
  1. elm
  2. elmwood
2 脑袋 nǎodai
  1. head
  2. skull
  3. brains
  4. mental capability

classifiers: 顆, 個