A fork of Rural Dictionary
Where you take the girl out to a huge dinner and you don't let her go to the can. While having anal sex with her, she takes a dump on your dick, and right before you are about to get off you shoot it on her back. That's the rusty part. The venture part comes in when you eat that junk off her back without your hands.
I took Sally out for a dinner and had the best Rusty Venture that night.
When you take your finger and rub around the guy's asshole, while you whack the guy off
The other day Tommy gave Charlie a Rusty venture while having gay sex.
When you Jerk off so many times your dick gets red and sore.
Nathan hasn't had a girlfriend in 6 years, and every day he gives himself a Rusty Venture.