Eric decrees that Kelso isn't fucking his girlfriend, but he doesn't actually stop Kelso from sinking balls deep into Donna;s cooch when she slides forward with her legs spread. Donna takes her turn experiencing the magic of Kelso's fuck stick and Jackie's pussy before yielding her place back to Jackie. While Jackie is once again enjoying Kelso's charms, Donna plants her pussy on her friend's face to muffle her shrieks of excitement. The girls then get on their knees to deep throat Kelso until he's primed to cum. Kelso resumes fucking Donna, then creampies her to Eric's horror.