When someone kneels behind another while reaching up and under between the males legs with both hands to stroke their salami, all while blowing raspberries on their asshole.
Last nights party was so wild, I heard Danielle gave Colin what they call The Trombone near the shed out back!
by HalfDilf March 26, 2021
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When a girl eats your butthole while stroking your cock and plays with your balls
This chick was down to do the trombone last night
by Jchronic February 17, 2018
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So basically the trombone is superior to everything else in any band. Pep, jazz, marching, or symphonic, it's just plain better. Its the best low brass instrument, it has a slide. Without the almighty trombone, a band wouldn't have good power, volume, and just wouldn't be the same. Unlike other instruments in the brass, it is loud, powerful, and just good. They give life meaning and the band director a will to live. They also hold up the entire band. In short, they're just plain awesome.

(This definition is TOTALLY unbiased)
Friend 1: "woah! That's a trombone, right?! It sounds so cool I can't imagine a band without it!"

Friend 2: "yeah I get hard when I hear it and the band director does too."
by ThatFatGuyWhosInUrClass December 5, 2017
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Is when you licking a male's anus while jerking his dick off
The male can be on his knees, kneeling or standing. Someone's tongue licking his asshole and stroking the man's
(on his knees, kneeling or standing) penis. It looks like the person thats licking the anus and stroking the penis is playing the Trombone. Tromboning
by Barehugs January 10, 2011
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"What's that you playing son, some kind of slide whistle-paperclip?"
"Nope, its a trombone. Best brass instrument ever created."
"I still think its a slide whistle."
by Quarter Mex w/ Cheese June 8, 2005
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When one has an extreme fetish for trombones and gets a boner for them
"hay yo i have the weirdest Tromboner right now.........can you help."
by I got a pocket full almonds April 21, 2017
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When you're jacking off and your dick goes "Woh woh wohhh"
*woh woh wohhh*

Dad, David is playing with his tromboner again!
by painini September 1, 2023
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