κορακίστικα

Greek

Examples
"καλησπέρα" becomes "κα-κα-λη-κα-σπέ-κα-ρα-κα" or "κοίτα τον άνθρωπο" becomes "τακοί τον ποθρωάν"

From Ancient Greek κόραξ (kórax, “raven”).

κορακίστικα • (korakístika) n pl

(childish) A form of wordplay used by children to disguise their sentences, similar to pig Latin, either by inserting nonsense syllables (such as κα) between each syllable of the original phrase or by reversing the order of the syllables.
(colloquial, by extension) gibberish, gobbledygook, mumbo jumbo (any confusing or meaningless speech)
Άσε τα κορακίστικα και μιλά καθαρά!
Áse ta korakístika kai milá kathará!
Stop speaking gibberish and speak properly!
(colloquial, humorous, derogatory, figuratively) Katharevousa (the form of Greek more similar to the Ancient language, replaced in 1982)

κορακίστικα