打臉 [－脸]

Jyutping daa2 lim5
Pinyin dǎ liǎn

Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. verb, neologism, transitive
    to prove (a person or their opinion or prediction) wrong
  2. verb
    Used other than figuratively or idiomatically: see 打, 臉／脸. to slap right in the face

打臉 [－脸]

Jyutping
Pinyin dǎ liǎn

Definitions (CC-CEDICT)
  1. to put on theatrical makeup
  2. (neologism c. 2014) to debunk sb's claim; to put egg on sb's face