1 definition by The Five-Way
The act of performing anal sex then performing normal sex while the woman is menstrating then take the residue and fecal mater and spread it over her stomach in the form of a rainbow. Thus creating the chillie rainbow
"Grisel had her period so I had to fuck her in the ass, then I fucked her in her vagina anyway and gave that bitch a chillie rainbow."
by The Five-Way August 4, 2006