大おお口ぐちTop 6000MeaningsNoun1. big mouth; mouth opened wide2. boastful speech; tall talk; bragging; boastingNounNo-adjective3. large amount; large quantityOther readings大おお口くちKanji used大large口mouthPitch accentおおぐちUsed in vocabulary大おお口ぐち顧こ客きゃくmajor customer; large customerNoun