"Post-Funny" - When something happens and it is not funny but when you think about it in the future it is.
David: Remember that lame joke you told?
Alistair: Haha. That was the best David: It sucked so much but now it is funny.
David: Hahaha
Alistair: Now that is Post Funny
a creepypasta made into a joke. a creepypasta of anything being made into a funny joke (like sonic.exe having a funnypasta being sunky.mpeg) or any creepypasta looking thing becoming a joke/meme.
person1: yo i saw that funnypasta you made about sonic.exe.
person2: did you likesunky.mpeg?
person1: yeah it was funny!