Start his Plasma combo(b+lp, b+lp, b+lp, b+lp). During the 4th swing cancel into Urarasetsu-Giri or Black Hayato(lp, hp, b, lk, hk). You should NOT have 3 hyper bars otherwise he WILL do Black Hayato.
He means the retarded glitch when he gets stuck in a plasma combo animation, and can’t move.