gibberish

/หˆdส’ษชb.ษ™.ษนษชสƒ/
noun
  1. 1

    Speech or writing that is unintelligible, incoherent or meaningless.

  2. 2

    Needlessly obscure or overly technical language.

  3. 3

    A language game, comparable to pig Latin, in which one inserts a nonsense syllable before the first vowel in each syllable of a word.

Synonyms

adjective
  1. 1

    Unintelligible, incoherent or meaningless

Source: https://en.wiktionary.org/wiki/gibberish