(noun) When a male going on a long sexless streak gets an erection around a large group of people while looking at a pretty girl, and in a fit of lust kills them all with his erect penis until he cums.
John: What happened to the Jones?
Mike: Little Billy went on a Horny Holocaust, its been weeks since he's had a date.
Mike: Little Billy went on a Horny Holocaust, its been weeks since he's had a date.
by Crickbertius182 June 26, 2009