South Korean Girl Group TWICE fandom.
ONCE: I just bought KNOCK KNOCK
Thrice: Twice sucks
ONCE: I'll KNOCK KNOCK the **** out of you
Onc means on crip that gang members of the crip organization use while texting
Tyrone: these girls be playing too much
Marquon: that’s onc cuz
A popular Steam community group (One Nut Crew) that initiates their members through shooting one of their testicles with a revolver, typically one made from gold. Officially formed April 24, 2013 by founder Keenan "Vern" Evans, ONC frequents many games, usually online, such as Garry's Mod, RoboCraft, Minecraft, Unturned, ARMA 2/3, and many others. They can be found on the steam community website under OneNutCrew.
"I ran into those ONC guys a while back, I could tell they were doing initiations by the gun shots followed by a long, high pitched scream."
In the same tradition of 'deuce,' a once is going number one in the bathroom. A once is a noun, like a piss.
Hey I'll be right back, I got to go drip a once.
Another term used in the place of awesome. It can also be used when one agrees with something someone else has said, or agreeing to something. In agreement the word is said as unenthusiastically as possible, yet a nod is crucial. Is pronounced something like: waance
Girl 1: I got the new Coheed cd
Girl 2: Once!
Bob 1: Hey you coming with tonight?
Bob 2: Once. Like I would miss it
Guy 1: That movie was so gay.
Guy 2: Once.