When a guy pulls his cock out of a bitch's twat and wipes the poo on her ass cheeks.
Girl 1: How was the sex last night with tommy?
Girl 2: It was really great until he pulled it out and gave me a smelly skid-mark.
When a guy whips out his cock out of a girls pussy and wipes it on her bare white ass
Girl 1:Hey Sally, how was the sex last night with tommy?
Girl2: It was great until he whipped it out and gave a huge skid-mark!