Licking a woman's asshole while fisting her.
Holy cow, he really gave her the ol' French Horn when he fisted her while licking her asshole!
by le hornster February 03, 2010

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When a woman sticks her fist up a man's ass while giving him a blow job, similar to how one plays a french horn.
"Tammy gave me a wicked French Horn last night. My ass still hurts."
by Tom Diddler October 18, 2008

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when a guy is giving a girl head, for extra pleasure he reaches around and fists her asshole
jeff french horned jenny last night
by bigbadmet June 08, 2007

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The only non-percussion instrument in a classical orchestra that can be played with just one hand. It was invented to be like this because the horn player's other hand is usually otherwise occupied.
French Horns are great instruments, but you wouldn't want to meet a French Hornist.
by CYO Viola Player September 03, 2006

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The sexual act of a male recieving oral sex while his partner fondles his balls and sticks a finger in his ass. Good luck with this one.
I thought she was just going to blow me, but she wound giving me the french horn
by tankboy2k August 28, 2005

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While sucking a man's dick, using one hand to finger his asshole and the other hand to caress the back of his spine.
Tammy just gave me a french horn, it was awesome!
or
I just got french horned by Tammy rock on!

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The act of blowing in a woman's vagina to produce a noise similar to the sound of the brass instrument.
While performing oral sexy on Carrie, I took a deep breath and gave her a french horn.
by Balint February 10, 2005

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Brass instrument taken up by those who wish to continue their musical studies, but have failed at playing the trumpet, trombone, or anything else metallic with a mouthpiece. French horn players are the butt of most jokes in band class, though they usually admit that "they deserve it."

Also commonly referred to as "the trumpet's ugly little brother."
Kate: "I play the French horn, which is a bad instrument."
Mr. Lange: "That's right, Katie."
by Douglas J. January 05, 2006

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