Word salad

Word salad is language with meaningless, scrambled words. It is a "confused or unintelligible mixture of seemingly random words and phrases". 
'Word salad' is most often used for a symptom of a neurological or mental disorder. The words may or may not be grammatically correct. The key thing is that a listener cannot get any meaning from them. The term is often used in psychiatry and theoretical linguistics to describe language which native speakers judge is meaningless.
In mental health diagnoses.
Word salad occurs in neurological or psychological cases in which a person tries to communicate, and words and phrases come out but make no sense. Often, the person is unaware that they did not make sense. It appears in people with dementia and schizophrenia, and after anoxic brain injury.
It may be present as:
In computing.
Word salad can be generated by a computer program for various purposes.
Mojibake, also called "Buchstabensalat" ("letter salad") in German, is an effect similar to word salad, in which an assortment of seemingly-random text is generated.