衝口而出 [冲－－－]

Jyutping cung1 hau2 ji4 ceot1
Pinyin chōng kǒu ér chū

Definitions (CC-CEDICT)
  1. to blurt out without thinking (idiom)
Definitions (粵典–words.hk)
  1. 動詞
    太衝動​，​口​快快​講​咗​啲​唔​恰​當​嘅​説​話
    to say something unthinkingly
Definitions (Wiktionary)
  1. phrase, idiomatic
    to blurt; to speak without thought
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）