horn 

when the tits get hard, whether from being aroused, rubbed, or exposed to heat or cold, particularly cold

the second i left the house my boobs horned so hard you could see right through my sweater

horn by SexSlaveAtUrService April 29, 2004

horn 

a extremely long, bumpy, pointy, fat, and curved nose. all of those things qualify a nose as a horn, but a horn can also be a longy nose.

the leader singer of the band rush has a horn

horn by pimp daddy dollars January 17, 2005

horn 

Short for Longhorns from The University of Texas.

Hook 'em Horns!

horn by CorporationX May 25, 2004

horn 

Verb: to have sex with another man's girlfriend.

I horned your girlfriend last night, Jeff.

horn by BigDaddyCavs March 4, 2011

Horn 

the act of inhaling cocaine

We horned that llello

Horn by valoem February 6, 2005

horn 

70's Auto slang, for anything that looks or feels fantastic, gives a real or imaginary stimulus.
Errection.

"check out that horn set of wheels"
"Jonno's got a Horn Mrs"
"That womans got the Horn-est set of legs!"
"How did it go? It went Fucking Horn!
"That woman gives me a horn"

horn by Cassar November 17, 2006

horn 

To be 'on the horn', usually used when single to mean horny, and no-one but yourself to indulge with.

Oh man, I was on the horn last week... i had to jack off three times in one day.

horn by jimbob August 29, 2004