When a someone or something is engaged so furiously in a sexual act that it is being thrust back and forth like the slide mechanism of a trombone. The rusty part of the word is from the person or objected being covered in some kind of bodily fluid.
by ShadowChix March 8, 2017
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Get the Greasing the Trombone mug.by Baggenesse March 5, 2015
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Get the The Lewisham Toungue Tickling Trombone mug.by Dingle booger August 15, 2023
Get the Sparkly trombone mug.Stroking the penis while sucking it. Referencing to how you have to blow into a trombone, and stroke it.
by BeastEJ December 14, 2018
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