口をついて出る

くちをついてでる

Also written 口を突いて出る, 口を衝いて出る

Meanings

  1. Expression, Ichidan verb to slip out (e.g. of a comment, remark, etc.); to utter unintentionally
  2. to pour from one's lips (of words); to flow freely (of speech); to rush out of one's mouth

Kanji

Jinuma: Japanese Dictionary · Word lists