The series has so many jokes about faeces, vomit, and snot that it is overwhelming.
To start off with, you have the humor. Unless you are thoroughly steeped in Japanese culture, you are not going to get it; it will pass straight by your head. The characters are quite idiotic, and don't even THINK about watching this while eating unless you enjoy the taste and the feel of vomiting. The series has so many jokes about faeces, vomit, and snot that it is overwhelming.