word salad

From Wiktionary

Noun[change]

Singular
word salad

Plural
word salads

  1. (countable & uncountable) A word salad is a confusing pattern of speech, usually a sign of mental disorders such as schizophrenia or a manipulation tactic by narcissists.
    The word salads he comes up with always makes me scratch my head.

Usage note[change]

Other words to describe a word salad include schizophasia or conversationalism, which in the field of psychiatry is typically viewed as a manipulation tactic of narcissists.