The beginning of counting down for someone to chug their beer, or drink they must drink. And if the whole thing is sung and they haven't finished their drink then they don't deserve to be at your party.
(The full P.C. phrase: Down in One! , Down in One, Down in One, Down in Two, Down in Two, Down in Two, Down in Three, Down in Three, Down in Three, Down in Four ... You're a Bore, Why are we waiting we could be masterb*ting, Drink MF, Drink MF Drink!)
(The full P.C. phrase: Down in One! , Down in One, Down in One, Down in Two, Down in Two, Down in Two, Down in Three, Down in Three, Down in Three, Down in Four ... You're a Bore, Why are we waiting we could be masterb*ting, Drink MF, Drink MF Drink!)
Drunk Party People: *Playing Kings Cup*
Very Drunk Bro: *Gets stacked* Damn it, I lost.
Everyone else: Down in One!...
Very Drunk Bro: *Finishes by Two*
Me: Well that's what you get for standing to the left of me.
Very Drunk Bro: *Gets stacked* Damn it, I lost.
Everyone else: Down in One!...
Very Drunk Bro: *Finishes by Two*
Me: Well that's what you get for standing to the left of me.
by Investigate311#BirdUp April 18, 2019
Get the Down in One!mug. Another word for "penis."
by Trousermouse December 11, 2017
Get the one eyed mouse wearing a turtle neckmug. by Wheesy May 18, 2016
Get the knock you a good onemug. by 36Peso December 29, 2021
Get the Cmon lil onemug. 
One-Shot Perfectionism is the unrealistic expectation that code will function flawlessly without errors on the first attempt, a mindset often held by programmers.
Example:
"His One-Shot Perfectionism led to frustration when the code failed during the initial run, requiring extensive debugging."
"His One-Shot Perfectionism led to frustration when the code failed during the initial run, requiring extensive debugging."
by CodeWizard33 October 19, 2023
Get the One-Shot Perfectionismmug. THE BEST FUCKING BOY BAND IN THE FUCKING WORLD WITH HARRY STYLES,LOUIS TOMLINSON,LIAM PAYNE,NIALL HORAN AND ZAYN MALIK.
person1:do you know one direction?
person2:ONE DIRECTION YOU MEAN THE GREATEST PEOPLE IN THE WORLD?
person1:lol no
person2:(has a knife)what did you just say
person2:ONE DIRECTION YOU MEAN THE GREATEST PEOPLE IN THE WORLD?
person1:lol no
person2:(has a knife)what did you just say
by i love big red bus May 21, 2021
Get the one directionmug.