Similar to the Rusty Trombone but , in this case a woman is getting her ass eaten from behind while the eater reaches around and fondles her “mandolin”
Chad why your breath smell like ass?
Bruh I gave this chick a rusty mandolin last night, she needed to wash that ass!
Rusty milk is when you’re having sex with an absolutely gorgeous girl. And all of a sudden your dad who you have not seen the past 18 years of your life suddenly walks into the bedroom while you’re in the act of clapping cheeks, takes the beautiful girl and pours the gallon of milk that he said he would get into her asshole and makes you drink the milk out of it. He then gets her pregnant and leaves to get another gallon of milk, thus the cycle repeats
My dad rusty milked me last night. I had numerous reasons to cry
When your shrimp of a husband bites off your nose and all you can replace it with is a piece of rusty metal
Bro you see that girl?
Yeah?
She's totally got a rusty parakeet.
The act of defecating between one's breasts and then rocking your head from side-to-side making a "brrr" sound, similar to a motorboat.
Guy: "Yeah last night I gave Peggy the biggest Rusty Motor I've ever seen!"
A rusty plug is when you do don’t pay your female drug dealer but she is on her period. She takes out her tampon and shoves it into your ass
Fuck man. I forgot to pay my dealer and she rusty plugged me. Ima need to pay her next time so I can forget this happened
When your girl is on her period and she tells you to take the backdoor but you slip it in the front to use the blood as lube before sticking it in the back, and when you pull out, your Griswold is all Rusty lookin' from blood and shit.
"Yo, I heard you through the wall last night. She sounds like a good ride."
- "Yeah man, we were throwing down all crazy and she said I'm bleeding so take it on the back. I didn't even think before I got a Rusty Griswold"
When a train is ran on your girl and when the guy getting head is about to bust all dudes twist the girls nipples to make her scream sound long like a broken rusted wailing R2-D2.
Person 1: Dude how much fun did you have Rusty R2-D2ing her last night.
Person 2: I had almost two much fun.