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.
Greg: Give her the ol’ rusty melodica, man, bitches love that shit.
by Tayus Neb October 26, 2019
Get the Rusty Melodicamug. 
Similar to a rusty trombone except one, both or all of the participants vomit which is then eaten by the other participants and used as lubricant for more rusty tromboning
Randy: Dude did you go home with that elderly couple last night?
Chet: Yeah, I went back to their house, things got pretty heavy we ended up finishing the night with a round of Rusty Yaks.
Or
Randy: dude you and Sarah were pretty loud last night in your tent.
Chet: yeah, Sarah was giving me a rusty trombone but on day 5 of camping things were pretty rank back there and she yakked, so we made the best of a bad sitch and turned in into a Rusty Yak.
Chet: Yeah, I went back to their house, things got pretty heavy we ended up finishing the night with a round of Rusty Yaks.
Or
Randy: dude you and Sarah were pretty loud last night in your tent.
Chet: yeah, Sarah was giving me a rusty trombone but on day 5 of camping things were pretty rank back there and she yakked, so we made the best of a bad sitch and turned in into a Rusty Yak.
by Leroy Goodboy September 11, 2020
Get the Rusty Yakmug. A sexual act in which one person receives a finger in the bum while simultaneously peeing into the stimulator's mouth.
by rusty-rhyno August 21, 2024
Get the rusty kegmug. The act of placing a Smirnoff Ice in one’s anus, removing said Ice, then lunging to one knee and chugging the Ice.
Jesse had to Rusty Smirnoff Jessica after Christopher inappropriately caught Jesse off guard with a an icing worthy of rustiness.
by Jp2dag00 December 12, 2020
Get the Rusty Smirnoffmug. Act of fornication that occurs prior to giving a Rusty Trombone. One uses a finger or 2 in order to loosen or open up a anus that is locked tight.
Asservir didn't know what a Rusty Basement Key was and had been doing Rusty Trombones wrong for years.
by muphinman January 4, 2022
Get the Rusty Basement Keymug. A crazy ass serial killer who lives in a green truck. If you talk to him on the trucker radio he'll hunt you down and kill you.
by ▪♡SogGynuRGeT♡▪ August 11, 2020
Get the rusty nailmug.