A fair while ago someone said something like
嘘だぴょーん！ in a comment.
But what kind of a connotation and usage does
～だぴょん have? Can it be used in a kind of humorous sort of way?
Edit: Realized it was actually
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(@Dono's correction/answer allowed me to find out a lot more, so I thought I might try to add a bit about the expression
According to Zokugo-dict,
嘘ぴょん is an expression which first appeared around 1986, and it's used when speaking one's mind after someone tells a fib. It apparently isn't used for really serious lies, only for exaggerations/dramatizations etc which could end up as jokes.
嘘ピョーン was at number 1 at Goo's 2009
今でもつい使ってしまう死語ランキング "ranking of dead language which is unintentionally used even now."