In the 1998 film Slums of Beverly Hills, the characters Rita and Vivian use Gibberish as a secret language.
Hammond, Michael (15 April 1999). The Phonology of English : A Prosodic Optimality-Theoretic Approach: A Prosodic Optimality-Theoretic Approach. Oxford University Press, UK. p. 33. ISBN 9780191583551. Retrieved 19 October 2021. 9780191583551 ↩
Seed, Andy (3 December 2015). The Silly Book of Weird and Wacky Words. Bloomsbury Publishing. p. 120. ISBN 978-1-4088-6684-9. Retrieved 19 March 2021. 978-1-4088-6684-9 ↩
"These Made-Up Languages Aren't Just For Kids". Dictionary.com. 11 April 2019. Retrieved 19 March 2021. https://www.dictionary.com/e/made-up-languages/ ↩
How to Speak Gibberish - wikiHow, Oct. 11, 2009 https://www.wikihow.com/Speak-Gibberish ↩