by GRDN June 28, 2012

my trombone got rusty because it was left in the rain and rust formed all over the shaft and mouthpiece, thus it was a rusty trombone...indeed.
by John Ritter April 19, 2006

A rusty trombone wherein the recipient of analingus and a reacharound concludes by urinating rather than ejaculating.
James drank a large quantity of coffee early in the morning, so his anticipated rusty trombone instead became a shiny trombone.
by timpanum September 20, 2014

by Big Swol October 4, 2005

Sucking cock and whos ever cock is being sucked blows ass. The motion is called the trombone the ass is called rusty.
by lover of women February 5, 2004

by Dave Gutkin (Mojo) June 6, 2003

When your ass is licked while being jerked off. The act closely represents the playing of the Trombone. The ass itself represents the "rusty" mouth piece and the dick representing the slide.
She got mad Jazz improvisational on my ass and started playing some sweet notes on my rusty trombone.
by MADDOG101 June 21, 2009
