"1-0" 

when a trick is playd on a friend or colleague. if fallen for the result of the trick can b called "1-0" as u r winnin the game u hav introduced ur friend to. this can result in a game due to bordem throughout day or week. this does not need to b used as a game but can b used for comical purposes.

© of lochaber high school 4th yrs

culprits: "no way......" pointing into the open space
victim: "What!!!!"
(laughing) "wayhay....."1-0"....."
victim: "watchout"
(laughing stops) culprits turn round
victim pauses: "1-1"

"1-0" by Dec_92 January 17, 2008

1.0 

When a long awaited program, after months or even years of beta testing and releases, finally gets released as a version 1.0.

"God, I'm so glad that VLC finally 1.0ed"

or

"I can't wait until Boxee 1.0s"

1.0 by mandrig July 29, 2009

1/0 

osht I divided by 0!

A: I CAN DIVIDE BY 0! LOOK: 1/0!!!
B: OSHT!!!!!!!!

1/0 by Froobert July 15, 2006

1.0 

The first version of something that usually requires an upgrade. A person of lower intelligence or depth. Unintellectual. One who cannot grasp complete reality. A moron.

Sonny is a 1.0. He doesn't know the difference between a hole in the ground and his ass.

1.0 by Bono1.0 January 18, 2017

1-0 

I'm up on you bitch

*Goes into facility*

*Kills someone with an orbital cannon.*

"1-0 lzzzzz I'm up"

1-0 by TheWarHorse100 July 25, 2021

1-0 Lzzz 

A part of a GTA Online tryhard's very limited vocabulary, typically said after getting a single kill (typically with an orbital cannon or jet) and then leaving or hiding in a property.

Loser: 1-0 Lzzz trash forever up
Normal player: Ok?

1-0 Lzzz by noper doodle October 26, 2020

1.0 gpa activities 

When someone doesn’t give a shit about school, and does everything in school except learn.

Jeffrey: Yo man wanna go skip class and hit this vape? Chad: No, 1.0 gpa activities

1.0 gpa activities by OPBABABABA February 18, 2023