Anime physics is all the things that anime character can do that a normal realistic version of themselves can't do. For example, with anime physics, one is able to be smashed about into solid steel, concrete, etc., without serious injury. One is able to carry unrealistically large weapons- like massive swords or somesuch. That's what I call anime physics. It's all the bullshit that anime does that isn't even close to being plausible.