The Freudian slip is named after Sigmund Freud in which he described and analyzed a lot of trivial, bizarre or nonsensical errors and slips and referred to these as Fehlleistungen (“faulty functions").
The Freudian slip is named after Sigmund Freud in which he described and analyzed a lot of trivial, bizarre or nonsensical errors and slips and referred to these as Fehlleistungen (“faulty functions").