Imagine being Russian and your school forces you to do this.
Me watching cringe show
On kohlchan there was a poster from Kazhakstan or Mongolia who told us about job interviews he had. Every time he was asked which tribe he was from, and when he said he was Naiman, he was not considered for the job anymore. Since then it has become a joke to discriminate Naimans on kohl/krautchan.
To us, who have a eurocentric worldview, it seems absurd and funny. We have never heard about Naimans or that people would discriminate against them.
A meme is such a piece of cultural knowledge.
https://en.wikipedia.org/wiki/Internet_meme
A meme is a cultural idea that, for its part, helps form the culture it is associated with in a manner that is analogous with the way genes form the bioogical makeup of a living being
In the context of imageboard culture, "meme" usually refers to phrases, characters, viewpoints and so on that are frequently posted on an imageboard