1 definition by Michael P.

A variation on the rusty trombone, the rusty French horn consists of a man giving a rim job to a woman, while also fisting her. This is reminiscent of a musician playing the French horn, as he places his hand in the bell of the horn to alter the pitch of the sound.
After she gave me a rusty trombone, I returned the favor with a rusty French horn.
by Michael P. May 4, 2005
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