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How can she slap?

to propagate.

because someone once again leaked classified documents on the War Thunder forums

I’m actually not sure it’s a cultural universal. I mean, snapping has seen use even in some subcultures within the West. I’ve seen stomping used for a similar purpose, as well. The point is I guess just to make noise communally.

Fun fact, the kiss might not be universal depending on who you ask, either.

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Because we forget to buy condoms.

Because causing pain to ourselves is a sign of gratitude to those we directing the gesture towards.

Palms get itchy when we’re excited

We are psychotic hairless apes. You should feel fortunate we don’t fling literal shit at each other.

Shitposting is close enough for this bald psycho monkey.

To kill Demodex mites on our hands that could possibly contaminate something we’re working on

If it’s after something like a concert it’s people catching the leftover sound waves from the music in their hands so they can take them home and keep them

Because we lost our voice

To make sure our ears still work.

To turn the light off/on