Erection (also known as an Air-ection) caused by a combination of vibration, temperature and pressure - usually experienced in Economy Class air travel where your seatbelt is 'fastened low and tight' and the seats are upright in any position.
Flew the red-eye home from Perth last night, copped a painful Air Horn that must've lasted at least an hour.
by dial_MIKE December 28, 2010

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Top Definition
device commonly used to interrupt one's high school band practice the week prior to the big homecoming parade. may also be coupled with the use of profanity being aimed towards the band director (band director will usually become angered because the band is his or hers greatest accomplishment in life)
*long blast of one or multiple air horns* "eat camel cock,(insert band directors name)!!!"
by Jaquarius Jackson-Jones III September 05, 2010

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A pipey, gassy thing that goes BRRRRTTT BRRRRTTT and pisses everyone off.
Hold on, i need to test my new air horn
BBBBBBBBRRRRRRRRRRRRRRRRRTTTTTTTTTTTTTT
by Mr. Willy November 07, 2007

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when you are receiving a rim job. You pull the giver close and fart in their mouth. You cause the giver's mouth to expand.
I was getting a rusty trombone but it wasn't very good. So I gave her an air horn instead.
by smittah March 11, 2011

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When you're banging a cute chick and you honk on her tits and blow ass right her face.
Hugh Jackman totally gave Hailey Berry an Airhorn on the set of X-Men 2.
by BrianandAlexButtBuddies June 19, 2009

The Urban Dictionary Mug

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Lotsa space for your liquids.

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Your favorite word on a white mug.

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt