磕头碰脑
kē
tóu
pèng
nǎo

Definitions

  1. 1. to push and bump against each other

Components

  • 磕头 kē tóu – to kowtow (traditional greeting, esp. to a superior, involving kneeling and pressing one's forehead to the ground)
  • 碰 pèng – to touch
  • 脑 nǎo – brain