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
The question was revised since my initial comment, which I will add as an answer.
だぴょん (or だぴょーん) is a final suffix equivalent to だよん or だよ. It adds a sense of cuteness owning to the fact that ぴょん (or ぴょんぴょん) is the way in which something (such as a bunny) hops or bounces.
(@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,