A Freudian slip is a verbal or memory mistake that is believed to be linked to the unconscious mind. Common examples include an individual calling his or her spouse by an ex's name, saying the wrong word or even misinterpreting a written or spoken word.
Discovered by Sigmund Freud, he described a variety of different types and examples of Freudian slips in his 1901 book The Psychopathology of Everyday Life. According to Freud, these errors reveal an unconscious thought, belief or wish.
Freudian Slip - What is a Freudian Slip
Just makes me wonder about the above spelling mistake