yak 1
/yak/ , n.
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.
[ 1785-95; gyag ]
yak 2
— yakker , n.
/yak/ , v. , yakked, yakking , n. Slang.
v.i.
1. to talk, esp. uninterruptedly and idly; gab; chatter: They've been yakking on the phone for over an hour.
n.
2. incessant idle or gossipy talk.
Also, yack, yackety-yak .
[ 1945-50, Amer.; appar. of expressive orig. ]
yak 3
/yak/ , n., v.i., v.t., yakked, yakking . Slang.
yuk 1 .