Jabberwocky

a playful imitation of language consisting of invented, meaningless words; nonsense; gibberish.

an example of writing or speech consisting of or containing meaningless words.

consisting of or comparable to Jabberwocky; meaningless; senseless.

noun

abracadabra , double talk , gobbledygook , mumbo jumbo , blather , blatherskite , gabble , gibberish , jabber , jargon , nonsense , prate , prattle , twaddle