Well, is there anybody that have played "Dragonball Z Budokai" ?
I played it, and goku has a Special-Attack called Warp-Kamehameha.
If you perform it (punch,punch,kick,kick,Energy), in the air,
Son Goku will start: "Ka-me-ha-me", then the Opponent fires a KI-Blast and
Son Goku Teleports...