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1.
a way to describe the degree of sexual arousal as a result of a given sight, situation, or circumstance. Usually used as a way to describe a very high level of sexual arousal.
The Hornacity level in the room hit a high point when the speaker took her top off and shook her tits at the previously bored audience. Now awakened, the audience licked their chops with hornacious desire.
by Shit_4_Brains November 10, 2007