When you get so drunk, all mentions of what happened the night before are sworn secrets to all parties involved.
Dude You puked all over yourself last night! Me: What happens in Blackout Vegas stays in Blackout Vegas
by SHUshut June 2, 2018

When a man enters his penis into a womans vagina before proceding to have intercorse in the butt while the female feriocsly shits down the mans penis before its insertied back into the womans mouth where she licks it clean and the procces starts again until orgasium
by jihfuiqhfuihrewf April 21, 2022

When a person is always inebriated and, once sober, cannot recall any experiences that they have had; unless they are high/drunk in any way.
Danny knew he was screwed for his test, because all of finals week he had been smoking PCP while he studied, and now he was Blackout Sober and can't remember what to wright on the test.
by can find a name.nothingworks September 28, 2017

by Doorcat March 2, 2018

by sysDump July 5, 2018

Those dreaded 5-to-10 days of the month when a girl has to deny "downstairs access" to the special guy in her life.
Horny stud: I try to time my monthly visits to my gal's house so that I don't arrive during her sexual blackout dates.
by QuacksO April 24, 2015

Typically high-end, exclusive brunches that include an unlimited supply of alcohol and food. Starting sharply at 3pm, the brunch venue typically closes the curtains, dims the lights and brings in a DJ, turning the venue into a raging nightclub, but during the day.
by blackoutbrunch.com February 19, 2015
