Your step-mommy just got home from a workout, and is very sweaty! She comes home, and sees you literally going through her dirty laundry. How gross! At first she's furious, and wants to punish you in the dirtiest way possible. But you love step-mommy's sweat, so you enjoy it when she makes you lick it off of her, and smell her everywhere. All the way down to her sweaty bootyhole. Since you lick up the sweat like a good boy, you get to have your way with step-mommy. Once you enjoy your taboo sex fantasy with step-mommy, she makes you lick up her cum up off the floor.