The medical condition in which one does not remember significant portions of the night due to the high volume of alcohol consumption.
Matt: I can’t believe what you did last night!
Grace: Omg wait... what did I do?
Matt: You chased your fourth tequila shot by open-mouth making out with a horse.
Grace: Wowwww I don’t remember anything, I was suffering from blackosis.
Grace: Omg wait... what did I do?
Matt: You chased your fourth tequila shot by open-mouth making out with a horse.
Grace: Wowwww I don’t remember anything, I was suffering from blackosis.
by dracehow July 27, 2019