おおぐちたた 大口を叩く Show inflections LinksSentence search for 大口を叩くSentence search for おおぐちをたたくSentence search for おおくちをたたくSentence search for 大口をたたくKanji details for 大, 口 and 叩Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'ku' ending1. to boast; to brag; to exaggerateOther forms大口を叩く 【おおくちをたたく】、大口をたたく 【おおぐちをたたく】、大口をたたく 【おおくちをたたく】 Discussions Log in to talk about this word.