adj: description of male genitalia that is not used on a daily basis, or the inability to obtain erection when aroused.
In years, Rob had only had one intimate encounter. Though she was no toothless-wonder, rob had a rusty trombone.
by hahahaha April 19, 2006

A combination of a HOT CARL and a RUSTY TROMBONE. While recieving a rusty trombine, the reciever enjoys a bowel movement.
I was getting bored with rusty trombones, so I spiced it up with a Hot Trombone and scared the crap out of Jessica.
by Delta November 6, 2003

when you have eaten beans and as a result have mud butt,the feamle simutaneously licks the anal cavity while giving her all at a reach around
my shit was a little runny so she used a clothespin to put on her nose as she enjoyed giving a rusty trombone, now if thats not defication i dont know what is
by balls to tha wall April 19, 2006

haha when danny tells you that a kid in his class tells you that if you blow in some dudes ass hole and jack them off from the back it looks like a dirty trombone hense...dirty trombone
by mikey shabsove March 12, 2004

When you turkey baste a shot of vodka into his ass, then you lick his asshole while simentaniously jerking him off. Once he finishes, he squirts the shot of vodka in your mouth.
by Juventude September 12, 2017

It consists of blowing into the receivers anus while firmly grasping the gonads and you can probably guess the boner part, in order to emit a symphony of weird noises.
Man 1: Becky gave me a human tromboner last night
Man 2: that sounds like it was fun
Man 1: yeah she played my ass like a jazz tuba
Man 2: that sounds like it was fun
Man 1: yeah she played my ass like a jazz tuba
by Magnumus Dongus August 11, 2018

Russian tromboner: when a russian girl is high and plays the trombone hallucinating thinking it's dick.
by omarstones July 9, 2014
