You know, I've never actually learned the name for this pose - I see it here and there. Does it have a name?

BlastingNaba said in comment #2593761:

You know, I've never actually learned the name for this pose - I see it here and there. Does it have a name?

It's based on Kabuki theater pose.
If I'm not wrong this particular one it's called Mie, representing wrath or something along those lines.