From Longman Dictionary of Contemporary Englishslip of the tongueslip of the tongueMISTAKEa small mistake in something you say Did I say $100? It must have been a slip of the tongue. → tongue
Examples from the Corpus
slip of the tongue• Did I say "Harlow"? Sorry, I meant "Harrow". It was just a slip of the tongue.• They both use the same root consonants, which are rearranged as in a dream or a slip of the tongue.• In an apparent slip of the tongue, Ms. Bianchi referred to Omaha as Oklahoma.• Much of the humour derives from slips of the tongue, an occupational hazard.• One slip of the tongue would have betrayed all I was working for.• He had made an unfortunate slip of the tongue himself.• He quickly corrected his unfortunate slip of the tongue. 