When a guy is getting his fart-box tongue punched while getting an old fashioned simultaneously.
I heard Jenny likes to put mustard on her rusty trombone when she plays it.
by Dixoncider420 February 6, 2022
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Get rimmed whilst receiving a hearty reach-around, thus resembling a trombone playing in a full chorus.
by Wubbyzvat November 2, 2022
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A sex move in which one takes a hit from a bong and then blows into another asshole in hopes of getting said person intoxicated.
"Holy shit I'm horny as hell, whilst craving some weed... quick grab the bong, I want you to give me a rusty trombone."
by maclomshiiter June 8, 2022
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When a someone or something is engaged so furiously in a sexual act that it is being thrust back and forth like the slide mechanism of a trombone. The rusty part of the word is from the person or objected being covered in some kind of bodily fluid.
I fucked that amazon drone so hard I gave it a rusty trombone.
by ShadowChix March 8, 2017
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rust·y
/ˈrəstē/ adjective
1. (of a metal object) affected by rust.

trom·bone
/trämˈbōn/
noun
a large brass wind instrument with straight tubing in three sections, ending in a bell over the player's left shoulder, different fundamental notes being made using a forward-pointing extendable slide.

What your dick looks like after having anal sex. The slide part allbrown and rusted looking.
"When i pulled it out of her butt it was all dirty," I said. Laughing my friend said "she gave you the Rusty Trombone."
by jayram1408 January 17, 2023
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When the entire trombone section empties their brassy spit on your steez
Steven: Hey Dan did you see jen’s bust?
Dan: Heck yeah I did, I’d love to give it the ol’ trombone bukkake!
by Radical, but also Sadical September 25, 2017
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