Do Everything Butt! KINK by Doc Johnson Anal Lubricant is an extra-thick water-based formula created for maximum slide and staying power. To bring your KINKy fantasies to life, we gave this lube the texture and consistency of real spit for authentic backdoor nastiness. KINK by Doc Johnson is an exciting collaboration with KINK.com to create a collection of high-quality authentic fetish items suitable for long-term practitioners and new initiates alike.