Of all the memes done to death by boring manchildren like this, I think only Pepe has gone through a longer and worse dragging through the chud mud. Feels bad, man.
It's people uncomfortable in their own skin and always wondering where they are on the social totem pole assuaging their anxieties by pantomiming what they have seen cooler people do, edit: but mainly just by picking on the kids they felt to be weaker (even those with some disability) or mock any sincerity they didn't feel like they had the social permission to express