They were hard to miss since they were gawking and Santa’s favorite lil Ho shirt. The appropriate response would probably have been a head nod and a wave, or perhaps just a courteous, hello! However, after living in Japan for several years and receiving this kind of random, overenthusiastic interest on a daily basis, sometimes a regular greeting just isn’t snarky enough. With a decidedly sassy gleam in his eye, my buddy turned toward the students and thrust his palms in their direction. Hadouken! he exclaimed. After a split-second pause, the student nearest us dramatically threw his hands up in the air, staggered backwards, and then fell down.