When that chaotic bitch (aka jevil) finds the vocaloid song chiri chiri juso and wants to sing it, you yell this. You yell "jevil, jevil, juso". It's that easy.
Jevil: さあ‼ チリ、チリ、チリ、チリ、チリ、チリ、チリ、チリ- Me: JEVIL, JEVIL, JUSO! Jevil: ...