slip of the tongue
To say something unintentionally
The Smiths hadn't planned on telling anyone that Hanna was pregnant for another month, but Bob let it out with a slip of the tongue when his father offered Hanna a beer.
To say something unintentionally
The Smiths hadn't planned on telling anyone that Hanna was pregnant for another month, but Bob let it out with a slip of the tongue when his father offered Hanna a beer.