Horm

A word that is yelled to signify the use of an airhorn when you witness someone get rightly offended by another person (also known as roasting), when you see or hear something that is exceedingly hilarious, or when a situation is awkward, which immediately breaks the silence and gives everyone around you a response of uncontrollable laughter.

"Amber is so crazy that not even Tommy would date her"
"HORM!"