There's a subreddit dedicated to people implanting sausages into holes that aren't their mouths! One man with the screen name KingLeonidatass had a similar story.
For example, one of the most popular subreddits for connecting with horny people is dirtyr4r.
How Do I Whitelist Observer? Had sex with him in his car.
You have to canvas the hook up subreddits and cast a wide net.
None of which are what you are looking for.