yak
yak
verb
To talk at length, especially about trivial or uninteresting subjects.
"They were yacking on the phone for ages."
noun
A large, shaggy-haired wild ox native to Tibet and Central Asia.
"The Tibetan yak is well adapted to cold climates."
Thesaurus
Synonyms: yack, cackle, yakety-yak, chatter, gab, Bos grunniens