Yesn't is a contraction of "Yes" and "Not", effectively meaning "No".
Robert Funk posted an outdated definition of "Yesn't" in 2008, citing it as an ambiguous
"yes" or "no", a maybe or perhaps. However the word has gained popularity in the past month, (as of 5/18/2018,) in addition to Non't
A Change.org petition, "Change the word 'No' in the English
language to 'Yesn't'", gained nearly 17,000 signatures in just one day. On Reddit
, it circulated in the subreddit, /r/dankmemes, where redditor
reposted a screenshot of the Yesn't petition to the subreddit, gaining over 31,000 points.