When you eat hot cheetos and your poop becomes a red ,burning, and uncomfortable. Also can happen with Takis
Guy 1: Man, why were you in the bathroom for so long, where you fapping?
Guy 2: Nah dawg, nah, i had a bag of hot cheetos earlier-
Guy 1: Ahh, Hot Cheeto Regret?
Guy 2: Mmmm yup.