When stepping up to the plate, many batters have a routine to get them mentally prepared for the challenge of hitting a round ball with a round bat. Something short, like a tap on the shoulder or a few practice swings, just to loosen things up.
This Japanese high schooler looks at your basic routines and scoffs.
My absolute favorite part: when he points at the pitcher after fouling off a tough one (at about 1:55). Second-favorite: the fact that after all that, he grounded out.