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Sex move from The Venture Bros. named after the show's main character. There are various definitions:

1) When you run your finger around a guy's ass while you jerk the guy off into his own mouth.

2) When two guys 69 and fill each other's mouths with cum, turn over then blow cum into each other's asshole.

3) Take a scuba snorkel and put your dick in the bendy mouth part, then you sneak the other end right up your back address, then you shove the snorkel up your ass and jerk yourself off at the same time.

4) When you fuck a guy then stick your hand up his ass, and then whatever you come out with you rub on his dick.

5) A straight move: when you take a girl out for a huge dinner then you don't let her go to the can. Then you have anal sex with her and she poops all over your dick. Right when you pull out, you rub the shit on her back. That is the "Rusty" part of the act. The "Venture" part is when you eat that junk off her back without using your hands.

6) When you jerk off so much your dick gets all red and sore.
Shore leave: We used to throw Rusty Venture parties in the Castro

The Alchemist: Denied! Asking for a Rusty Venture right out of the gate?
by Doe and Cardholder November 23, 2010
A penis that is red and sore from masturbating too much.
Hank had the whole compound to himself for the day, so he decided to make himself a rusty venture.
by 1fooln6billion November 24, 2010
When you jerk off so hard and often that your genitals stay red for extended periods of time. This forces you to seek an ailment and or a softer means of pleasuring yourself.
Boss: "I really need to start hiring more women to hold positions of importance in my company. I just can't afford to have one of the gents come down with a bad case of Rusty Venture and stop showing up at work."
by Big China November 23, 2010
When you jack off so much that your dick turns red and is painful to touch.
I had some "me" time today. A nice hot shower, spinning at the gym, a warm-rock massage, and then I gave myself a Rusty Venture.
by Go team venture November 23, 2010
A poo-poo handjob.

This character name first appeared as numerous grotesque sexual acts in the 4th season finale of The Venture Bros. , Episode 16, 'Operation P.R.O.M.
That chick was so weird...she actually asked if she could give me a Rusty Venture!
by Triana Orpheus November 23, 2010
masturbating so much, your penis turns red, sore and painful.
what's a rusty venture??
by drexell015 November 23, 2010
When you take a girl out for a huge dinner, but you don’t let her go to the can. Then you have anal sex with her and she $#!*$ all over your @!*#. So right when you’re about to get off, you take it out and you blow @#$% $!@* on her back. You finish by eating all that junk off her back without using your hands.
Man, giving that girl a Rusty Venture after having chili dogs was a very bad idea.
by JonasVee November 23, 2010