Abbreviated acronym for "high and horny", denoting sex with drugs. Text slang related mostly to the gay chemsex scene and often used indicatively on social media platforms such as Grindr and Scruff as an alternative to PnP.
I met a guy last night for hnh fun and had a great time.
Originally created by young men of Oxford in the Summer of 2010 to cool down, celebrate their freedom of expression, and get their ruthless pecs out, this blossomed into a veritable institution. Little more than a year after its inception, however, senior forces combined to oppress this joyful event. They only succeeded in forcing it underground, where HNHHs continue to this day unrestricted and with gay abandon.