口を叩く (くちをたたく) Japanese meaning | KotomoraMeanings
1
expression, godan verb (-ku)
speak brazenly; talk too much; never shut up
Used for someone who talks impudently, thoughtlessly, or excessively, often in a way that annoys others. The phrase carries a negative, critical tone.
口
を
叩
い
て
、
失
言
し
た
。
That politician shot his mouth off again and made a gaffe.