yak

noun

1. a large, stocky, shaggy-haired wild ox, Bos grunniens, of the Tibetan highlands, having long, curved horns: endangered.
2. a domesticated variety of this animal.

verb (used without object), yakked, yak·king.

1. to talk, especially uninterruptedly and idly; gab; chatter: They’ve been yakking on the phone for over an hour.

noun

2. incessant idle or gossipy talk.

noun, verb (used with or without object), yakked, yak·king. Slang.

1. yuk1.

noun

1. a loud, hearty laugh.
2. a joke evoking such a laugh.

verb (used with or without object), yukked, yuk·king.

3. to laugh or joke: The audience really yukked it up at the movie.

noun

1. a wild and domesticated type of cattle, Bos grunniens, of Tibet, having long horns and long shaggy hair

noun

1. Also: yakety-yak noisy, continuous, and trivial talk or conversation

verb yaks, yakking or yakked

2. (intr) to chatter or talk in this way; jabber

n.“wild ox of central Asia,” 1795, from Tibetan g-yag “male yak.” v.“laugh,” 1938; “talk idly,” 1950; echoic, perhaps of Yiddish origin. “laughter, something evoking laughs,” 1964, imitative; see yuck (2).