There has been an odd trend going round for the last few years which involves people eating into microphones, and that is it. This is something which I personally can't stand. Not only does it give me the shivers (in a bad way) but I just think it's a bit disgusting.
It is different to a mukbang which is where people talk and eat in front of a camera. I think that is a little less creepy but I am still not that big of a fan. These videos tend to be made using fast food but people seem to do it with all types.