As verbs the difference between nack and yack
is that nack is (computing) to acknowledge negatively; to send a nak signal to while yack is (slang) to vomit, usually because of intoxication.
As a noun yack is
chatter.
nack
English
Verb
(
en verb)
(computing) To acknowledge negatively; to send a NAK signal to.
yack
English
Verb
(
en verb)
(slang) to vomit, usually because of intoxication
(colloquial) to talk incessantly
- I moved to another carriage on the train because the first one was full of people yacking on mobile phones.
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