Yackety-yak

yak2 .
to talk, especially uninterruptedly and idly; gab; chatter:
they’ve been yakking on the phone for over an hour.
incessant idle or gossipy talk.
noun
(slang) noisy, continuous, and trivial talk or conversation sometimes shortened to yak
noun
a wild and domesticated type of cattle, bos grunniens, of tibet, having long horns and long sh-ggy hair
noun
also yakety-yak. noisy, continuous, and trivial talk or conversation
verb yaks, yakking, yakked
(intransitive) to chatter or talk in this way; jabber
n.
v.

talk, esp idle or empty chatter; mere babbling: all they can talk about, yack-yack-yack, is their own specialty/ i don’t care how owlish you look, how convincing you sound, this is just yak yak yak until you do it/ in the midst of all the political yuk-yuk that dins around us/ if the state department would stop its incessant yakitty-yak (1958+)
a laugh; a guffaw: ”take off your clothes.” pause for audience yuks/ it makes me furious when i have a corny line and it gets a yock (1938+)

(also yack it up or yak it up or yock it up or yuk it up): everybody is yakking out an opinion on whether he should now reconsider his candidacy/ sparing the rod and yak-yakking and explaining all the time/ the students were seated on the floor, still yocking away/ i’ll be 75 and hanging around bars yocking it up (1950+)
(also yack it up or yak it up or yock it up or yuk it up): ken gaul is yukking, tugging at his pointy satyr’s beard/ there’d be don, yockin’ it up like crazy. he’s so hysterical with laughter/ former senator george mcgovern, yukking it up with paul volcker (1938+)