smartmouth

== English == === Etymology === From smart +‎ mouth. === Noun === smartmouth (plural smartmouths) One who makes disrespectful, flippant remarks; a smart aleck. === Verb === smartmouth (third-person singular simple present smartmouths, present participle smartmouthing, simple past and past participle smartmouthed) To reply to in a disrespectful, flippant manner. === Related terms === badmouth smartmouthed