Slip of the tongue

Slip of the tongue: pequeno erro ao falar

“I really meant to say Miss Davis, not Mrs. Davis, so it was just a slip of the tongue, but Judy thought I was teasing her.”

 “A newsreader made a slip of the tongue when reading out the scores. He said Chelsea had lost by a goal, instead of saying they'd won by a goal.” (www.englishclub.com)