One bite

-To get the whole experience in “One bite”
-hooking up with someone once and it’s all you need
-One night stand

“Dude! I met this total One bite at the bar last night, won’t call her.”

twenty one

When you can drink legally. Although it’s reported that 70% of people drink before this.

“I just turned twenty one today so I’m allowed to drink”

The One Piece…

THE ONE PIECE IS REAL!!!
Can we get much higher… (higher)
So high…
Oh oh oh

So high

Oh oh

Person 1: hey wanna know something?
Person 2: what?
Person 1: The One Piece…
Person 1: THE ONE PIECE IS REAL!!!
Person 2:THE ONE PIECE IS REAL!!!

one in the hangar

Aviator speak for pregnant; synonymous with the phrase "one in the oven" but used for people who speak pilot.

My wife's got one in the hangar.

One Gifford

Equal to 100mm hole. Unit of measurement amongst electricians.

I like to make sure im ‘one gifford’ away from the doorframe to drill my hole.

Knocked one

(gamer slang) v. The act of incapacitating a player on the enemy team rendering them no longer an immediate threat. Popular in both fps and battle royal style pvp games.

Party leader Tyler announced "knocked one" over the mic after landing a crippling hit from 50 yards with his sniper rifle.

Devil’s One

Noun: a seemingly evil person/sentient being

My daughter seems to be a devil’s one.