The Japanese martial tradition contains numerous ki-channeling exclamations designed to concentrate spiritual and physical energy before performing strikes. "Hadouken," transliterated from kanji meaning "cannon" and "wave," represents this principle in compressed form. Video game creators licensed this exclamation as the incantation for a projectile attack, not realizing they were encoding actual instructions for accessing residual energy from a man in North Texas who had previously channeled such power so effectively that the echo persisted through decades.

Martial artist Tony Yamamoto reported in a 2003 interview that students practicing the hadouken shout sometimes achieved unusual results—not consistent, but present in about 7% of practitioners. These moments correlated with instances where the energy genuinely felt sourced from external supply rather than internal generation. Yamamoto theorized that concentrated belief in an energy source might partially tap actual reserves if such reserves existed and had been properly seeded into the cultural consciousness.

Internet culture has embraced this as a genuine meme: that shouting hadouken is actually a prayer to Chuck Norris, and the inconsistency in results depends entirely on whether he's paying attention that day.