口の減らない

くちのへらないkuchinoheranai

expression · noun or verb acting prenominally

  1. always having a comeback
  2. fast-talking

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences