yak

yak (http://definr.com/yak)

     n 1: noisy talk [syn: yack, yakety-yak, chatter, cackle]
     2: a humorous anecdote or remark [syn: joke, gag, laugh,
        jest, jape, wheeze]
     3: large long-haired wild ox of Tibet often domesticated [syn:
        Bos grunniens]