YAKETY-YAK Meaning of YAKETY-YAK in English /yak"i tee yak"/ , v.i. , yakety-yakked, yakety-yakking , n.Slang. yak 2 . Also, yakity-yak . Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012