Manon Garcia has recently proposed a model of sexual consent as conversation, which emphasizes collaboration and that interlocutors work together toward a common goal. Independently, though in a similar spirit, John Gardner has developed an idea of consent as teamwork. There is much that is appealing about these models of consent as ideals. Still, this paper challenges the de facto possibility of consent so understood. Genuine conversations and teamwork are enabled by and premised on a shared common ground in being essentially collaborative activities. If there is no such common ground, genuine collaboration is not possible. Since sexual common ground looks to be largely missing, or is at the very least seriously eroded, consent as conversation or teamwork is not possible as things stand. However, the paper further explores what would be needed t ...