when rimming a man, reaching round and stroking him off
he was such a homo, he always was a tromboner
by craigstar March 3, 2009
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a person who has no life, except for their trombone, and they have bowel problems, and yellow teeth. they normally respond to the name of dookie pants
Adam and Harrison are tromboners because they have no life.
by neb and jeb February 10, 2003
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A slidey trumpet. Also a double sub-contrabass flute( with a tuning slide)
by Pygmy Tiger November 28, 2018
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1. A girl who use's both hands to suck you off.
Damn, Melissa Gave Me That Trombone Last Night Seriously!

1. She gave me some good head last night!

2. She swallowed everything!

3. She sucked me off properly!

4. She's very educated, she gives good brain

5. She kept sucking me off light a newborn baby on a bottle.
by LargeAmounts June 1, 2009
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when a women blows into your penis while she is preforming or sex. in the manner of a trombone.
Glenn: " Hey bro, how was that tromboner last night?"

Justin: " Lets just say that her music teacher tought her well!"
by brass knuckles 90909 May 29, 2010
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Tromboning-Adjective
the act of stuffing a trombone (instrument) up a womens vagina.
1: bro what did you do last night?
2: I was tromboning this chick so hard.
by the bineapple man November 9, 2020
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