A sexual act in which one person receives a finger in the bum while simultaneously peeing into the stimulator's mouth.
Dawg, I got the best Rusty Keg from my girl last night!
Giving a rimjob while simultaneously fingering a girl.
The female version of the rusty trombone
"I heard that shes into some freaky shit, so I gave her the rusty melodica"
The equivalent of the rusty trombone when performed on a female. Consists of orally stimulating the asshole while manually stimulating the pussy, mimicking the actions of playing the melodies.
Jeff: What’s the best way to eat a woman out?
Greg: Give her the ol’ rusty melodica, man, bitches love that shit.
When a male hasn't had sex for a substantial period of time, he might warn his partner that his wilbur (his penis) is a little rusty (out of practice).
Just to warn you, I've got a Rusty Wilbur.
Much like the Trombone or Trumpet, the partner eating out the asshole, simultaneously uses two anal bead sets to play on the other partner's rib cage, with a drumming motion.
"Carl was really enthusiastic when I told him I wanted a Rusty Xylophone. My ribs were bruised for a week. It was awesome!
Pleasuring a Latina in the backseat of a '72 Impala with shag carpeting but no hydraulics as the windows fog up with the same humidity causing your ass and her knees to stick to the vinyl seat coverings.
I bought my son a rusty car for graduation.
When you are banging a girl in the ass and you have poo on your meat rifle when you pull out.
"I was banging Darla in the ass and when I popped it out I realized she gave me a Rusty Remington