to perform analingus on a male partner whilst masturbating his erect penis at the same time. with reference to the mouth piece and sliding arm of the popular brass instrument, the trombone
a homosexual man asks another would he like to come back to his for a 'spot of tromboning'.
by brewlio April 29, 2007
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1) An english instrument originally called the sagbute (sackbutt) that makes many obsecene and beautiful noises. Often nicknamed, bone, boner, tromboner, horn, and noisy thing
The Bones in the back row are blowing their minds out.
by Emily April 28, 2004
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1. The act of receiving a "big one" while playing a trombone (or small one, depending on the person).

2. Getting a "big one" that resembles the shape of a trombone.

3. Getting a "big one" when catching the eye of a particularly attractive or sexy band player who just happens to play the trombone.
Dude 1: Oh crap, man! I just got a tromboner!
Dude 2: Hide it quickly! People might see it's distinct shape!

Dude 1: Man, he/she just gave me a tromboner!
Dude 2: Don't hide it, it's a symbol of pride!
by definerofthewords January 27, 2011
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The best fucking instrument ever made. Reasons why:

1.) You can hit people with your slide and say it was an accident
2.) If someone falls in Marching Band you can play the fail tune.

3.) If another section can’t play a part, the BD with give it to the Trombone section.

4.) Everyone is afraid of you because you have got everyone with your slide at least twice.
Girl: “What is that beautiful noise?”
Boy: “A trombone, of course.”
by KeepRxnning June 25, 2017
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This word is used when you fuck up so bad that you either:
1. Are going to spend the rest of your life contemplating your life decisions

2. Get your ass whooped so hard it's gonna swell
3. Waste a few years of your life trying to make up for the mistake you made.
Example 1:
Me: *drops vase that costed $15,000*
Mom: Goodnight dickhead
Me: Oh shit i'm fucking tromboned
Example 2:
Me: *leave's location on*
Dad: Where are you
Me: Home
Dad: Your snap map is on you're in fucking Africa
Me: oh shit
by reknaW ma I April 20, 2018
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Verb.
A rather impractical sex act where a woman or man rims a man's ringpiece while simultaneously reaching round to give it some elbow on his prok sword, the action being akin to playing a trombone.
Les Dennis was shocked when he came home early and found his wife Amanda tromboning Neil Morrisey again.
by Kev December 10, 2002
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the perfectest instrment in the band/orcastra, better than all of those evil gay instruments
by Larissa February 17, 2005
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