old
https://www.youtube.com/watch?v=IghcowGhRBc
new
https://www.youtube.com/watch?v=8zQ9VUNnKNU

WTF is this?! )) Ah, who cares, whatever it is, you made my day, mate!!

It's not fun when spanish is your first language :( You can not read the subtitles and ignore the audio...

So, what is it really about?

Here, watch from min 4:24

Thanks! The way this guy is laughing is astonishingly catching )) For Spanish speaker they have to make a special video with all spoken parts replaced with some gibberish, leaving the laugh and subtitles.