Have you ever seen Zero Hour! (the serious disaster movie from which pretty much all the dialogue from Airplane! was taken verbatim)? It's quite an eerie experience...
That's actually not it. Just post reaction gifs (though they don't have to be gifs, really, can even be still images) in general. Though picking one that can be put into context with the previous one can add a little extra fun. For example, this next one has nothing to do with yours: