It was basically Popuko and Pipimi from Pop Team Epic sitting at blue chairs on a white space reacting to various videos, series and movies.
Most of them ended with Popuko breaking her chair and yelling at the video, and these parts were the most repeated by the viewers.
I think the gist of it is that, according to stereotype/legend, you end up sucking dick for money to pay for heroin. If you could make as much money eating pussy, men would take up heroin for that reason and society would implode.