yak2 /BrE jak

,
AmE jæk
/ I noun
informal (
also yack,
yackety-yak)
(chat) to have a yak ciarlare or cianciare or chiacchierare
II intransitive verb
informal (
also yack,
yackety-yak)
ciarlare, cianciare, chiacchierare
Phrasal verb ■ yack at US tormentare, assillare [person]